code
stringlengths 12
2.05k
| label
int64 0
1
| programming_language
stringclasses 9
values | cwe_id
stringlengths 6
14
| cwe_name
stringlengths 5
103
⌀ | description
stringlengths 36
1.23k
⌀ | url
stringlengths 36
48
⌀ | label_name
stringclasses 2
values |
|---|---|---|---|---|---|---|---|
path_poly(PG_FUNCTION_ARGS)
{
PATH *path = PG_GETARG_PATH_P(0);
POLYGON *poly;
int size;
int i;
/* This is not very consistent --- other similar cases return NULL ... */
if (!path->closed)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("open path cannot be converted to polygon")));
/*
* Never overflows: the old size fit in MaxAllocSize, and the new size is
* just a small constant larger.
*/
size = offsetof(POLYGON, p[0]) +sizeof(poly->p[0]) * path->npts;
poly = (POLYGON *) palloc(size);
SET_VARSIZE(poly, size);
poly->npts = path->npts;
for (i = 0; i < path->npts; i++)
{
poly->p[i].x = path->p[i].x;
poly->p[i].y = path->p[i].y;
}
make_bound_box(poly);
PG_RETURN_POLYGON_P(poly);
} | 1 | C | CWE-189 | Numeric Errors | Weaknesses in this category are related to improper calculation or conversion of numbers. | https://cwe.mitre.org/data/definitions/189.html | safe |
static int ceph_aes_crypt(const struct ceph_crypto_key *key, bool encrypt,
void *buf, int buf_len, int in_len, int *pout_len)
{
struct crypto_skcipher *tfm = ceph_crypto_alloc_cipher();
SKCIPHER_REQUEST_ON_STACK(req, tfm);
struct sg_table sgt;
struct scatterlist prealloc_sg;
char iv[AES_BLOCK_SIZE];
int pad_byte = AES_BLOCK_SIZE - (in_len & (AES_BLOCK_SIZE - 1));
int crypt_len = encrypt ? in_len + pad_byte : in_len;
int ret;
if (IS_ERR(tfm))
return PTR_ERR(tfm);
WARN_ON(crypt_len > buf_len);
if (encrypt)
memset(buf + in_len, pad_byte, pad_byte);
ret = setup_sgtable(&sgt, &prealloc_sg, buf, crypt_len);
if (ret)
goto out_tfm;
crypto_skcipher_setkey((void *)tfm, key->key, key->len);
memcpy(iv, aes_iv, AES_BLOCK_SIZE);
skcipher_request_set_tfm(req, tfm);
skcipher_request_set_callback(req, 0, NULL, NULL);
skcipher_request_set_crypt(req, sgt.sgl, sgt.sgl, crypt_len, iv);
/*
print_hex_dump(KERN_ERR, "key: ", DUMP_PREFIX_NONE, 16, 1,
key->key, key->len, 1);
print_hex_dump(KERN_ERR, " in: ", DUMP_PREFIX_NONE, 16, 1,
buf, crypt_len, 1);
*/
if (encrypt)
ret = crypto_skcipher_encrypt(req);
else
ret = crypto_skcipher_decrypt(req);
skcipher_request_zero(req);
if (ret) {
pr_err("%s %scrypt failed: %d\n", __func__,
encrypt ? "en" : "de", ret);
goto out_sgt;
}
/*
print_hex_dump(KERN_ERR, "out: ", DUMP_PREFIX_NONE, 16, 1,
buf, crypt_len, 1);
*/
if (encrypt) {
*pout_len = crypt_len;
} else {
pad_byte = *(char *)(buf + in_len - 1);
if (pad_byte > 0 && pad_byte <= AES_BLOCK_SIZE &&
in_len >= pad_byte) {
*pout_len = in_len - pad_byte;
} else {
pr_err("%s got bad padding %d on in_len %d\n",
__func__, pad_byte, in_len);
ret = -EPERM;
goto out_sgt;
}
}
out_sgt:
teardown_sgtable(&sgt);
out_tfm:
crypto_free_skcipher(tfm);
return ret;
} | 1 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | safe |
int xstateregs_set(struct task_struct *target, const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
struct fpu *fpu = &target->thread.fpu;
struct xregs_state *xsave;
int ret;
if (!boot_cpu_has(X86_FEATURE_XSAVE))
return -ENODEV;
/*
* A whole standard-format XSAVE buffer is needed:
*/
if ((pos != 0) || (count < fpu_user_xstate_size))
return -EFAULT;
xsave = &fpu->state.xsave;
fpu__activate_fpstate_write(fpu);
if (boot_cpu_has(X86_FEATURE_XSAVES)) {
if (kbuf)
ret = copy_kernel_to_xstate(xsave, kbuf);
else
ret = copy_user_to_xstate(xsave, ubuf);
} else {
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, xsave, 0, -1);
/* xcomp_bv must be 0 when using uncompacted format */
if (!ret && xsave->header.xcomp_bv)
ret = -EINVAL;
}
/*
* In case of failure, mark all states as init:
*/
if (ret)
fpstate_init(&fpu->state);
/*
* mxcsr reserved bits must be masked to zero for security reasons.
*/
xsave->i387.mxcsr &= mxcsr_feature_mask;
xsave->header.xfeatures &= xfeatures_mask;
/*
* These bits must be zero.
*/
memset(&xsave->header.reserved, 0, 48);
return ret;
} | 1 | C | CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | https://cwe.mitre.org/data/definitions/200.html | safe |
FstringParser_Finish(FstringParser *state, struct compiling *c,
const node *n)
{
asdl_seq *seq;
FstringParser_check_invariants(state);
/* If we're just a constant string with no expressions, return
that. */
if(state->expr_list.size == 0) {
if (!state->last_str) {
/* Create a zero length string. */
state->last_str = PyUnicode_FromStringAndSize(NULL, 0);
if (!state->last_str)
goto error;
}
return make_str_node_and_del(&state->last_str, c, n);
}
/* Create a Str node out of last_str, if needed. It will be the
last node in our expression list. */
if (state->last_str) {
expr_ty str = make_str_node_and_del(&state->last_str, c, n);
if (!str || ExprList_Append(&state->expr_list, str) < 0)
goto error;
}
/* This has already been freed. */
assert(state->last_str == NULL);
seq = ExprList_Finish(&state->expr_list, c->c_arena);
if (!seq)
goto error;
/* If there's only one expression, return it. Otherwise, we need
to join them together. */
if (seq->size == 1)
return seq->elements[0];
return JoinedStr(seq, LINENO(n), n->n_col_offset, c->c_arena);
error:
FstringParser_Dealloc(state);
return NULL;
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
static int swevent_hlist_get_cpu(struct perf_event *event, int cpu)
{
struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
int err = 0;
mutex_lock(&swhash->hlist_mutex);
if (!swevent_hlist_deref(swhash) && cpu_online(cpu)) {
struct swevent_hlist *hlist;
hlist = kzalloc(sizeof(*hlist), GFP_KERNEL);
if (!hlist) {
err = -ENOMEM;
goto exit;
}
rcu_assign_pointer(swhash->swevent_hlist, hlist);
}
swhash->hlist_refcount++;
exit:
mutex_unlock(&swhash->hlist_mutex);
return err;
} | 0 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | vulnerable |
static void vhost_net_ubuf_put_and_wait(struct vhost_net_ubuf_ref *ubufs)
{
kref_put(&ubufs->kref, vhost_net_zerocopy_done_signal);
wait_event(ubufs->wait, !atomic_read(&ubufs->kref.refcount));
} | 1 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | safe |
static void
yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, void *yyscanner, HEX_LEX_ENVIRONMENT *lex_env)
{
YYUSE (yyvaluep);
YYUSE (yyscanner);
YYUSE (lex_env);
if (!yymsg)
yymsg = "Deleting";
YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
switch (yytype)
{
case 16: /* tokens */
#line 101 "hex_grammar.y" /* yacc.c:1257 */
{ yr_re_node_destroy(((*yyvaluep).re_node)); }
#line 1030 "hex_grammar.c" /* yacc.c:1257 */
break;
case 17: /* token_sequence */
#line 102 "hex_grammar.y" /* yacc.c:1257 */
{ yr_re_node_destroy(((*yyvaluep).re_node)); }
#line 1036 "hex_grammar.c" /* yacc.c:1257 */
break;
case 18: /* token_or_range */
#line 103 "hex_grammar.y" /* yacc.c:1257 */
{ yr_re_node_destroy(((*yyvaluep).re_node)); }
#line 1042 "hex_grammar.c" /* yacc.c:1257 */
break;
case 19: /* token */
#line 104 "hex_grammar.y" /* yacc.c:1257 */
{ yr_re_node_destroy(((*yyvaluep).re_node)); }
#line 1048 "hex_grammar.c" /* yacc.c:1257 */
break;
case 21: /* range */
#line 107 "hex_grammar.y" /* yacc.c:1257 */
{ yr_re_node_destroy(((*yyvaluep).re_node)); }
#line 1054 "hex_grammar.c" /* yacc.c:1257 */
break;
case 22: /* alternatives */
#line 106 "hex_grammar.y" /* yacc.c:1257 */
{ yr_re_node_destroy(((*yyvaluep).re_node)); }
#line 1060 "hex_grammar.c" /* yacc.c:1257 */
break;
case 23: /* byte */
#line 105 "hex_grammar.y" /* yacc.c:1257 */
{ yr_re_node_destroy(((*yyvaluep).re_node)); }
#line 1066 "hex_grammar.c" /* yacc.c:1257 */
break;
default:
break;
} | 1 | C | CWE-674 | Uncontrolled Recursion | The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack. | https://cwe.mitre.org/data/definitions/674.html | safe |
static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct perf_event *event = file->private_data;
struct perf_event_context *ctx;
long ret;
ctx = perf_event_ctx_lock(event);
ret = _perf_ioctl(event, cmd, arg);
perf_event_ctx_unlock(event, ctx);
return ret;
} | 1 | C | CWE-264 | Permissions, Privileges, and Access Controls | Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control. | https://cwe.mitre.org/data/definitions/264.html | safe |
check_restricted(void)
{
if (restricted)
{
emsg(_("E145: Shell commands and some functionality not allowed in rvim"));
return TRUE;
}
return FALSE;
} | 1 | C | CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. | https://cwe.mitre.org/data/definitions/78.html | safe |
load_deployed_metadata (FlatpakTransaction *self, FlatpakDecomposed *ref, char **out_commit, char **out_remote)
{
FlatpakTransactionPrivate *priv = flatpak_transaction_get_instance_private (self);
g_autoptr(GFile) deploy_dir = NULL;
g_autoptr(GFile) metadata_file = NULL;
g_autofree char *metadata_contents = NULL;
gsize metadata_contents_length;
deploy_dir = flatpak_dir_get_if_deployed (priv->dir, ref, NULL, NULL);
if (deploy_dir == NULL)
return NULL;
if (out_commit || out_remote)
{
g_autoptr(GBytes) deploy_data = NULL;
deploy_data = flatpak_load_deploy_data (deploy_dir, ref,
flatpak_dir_get_repo (priv->dir),
FLATPAK_DEPLOY_VERSION_ANY, NULL, NULL);
if (deploy_data == NULL)
return NULL;
if (out_commit)
*out_commit = g_strdup (flatpak_deploy_data_get_commit (deploy_data));
if (out_remote)
*out_remote = g_strdup (flatpak_deploy_data_get_origin (deploy_data));
}
metadata_file = g_file_get_child (deploy_dir, "metadata");
if (!g_file_load_contents (metadata_file, NULL, &metadata_contents, &metadata_contents_length, NULL, NULL))
{
g_debug ("No metadata in local deploy of %s", flatpak_decomposed_get_ref (ref));
return NULL;
}
return g_bytes_new_take (g_steal_pointer (&metadata_contents), metadata_contents_length + 1);
} | 0 | C | CWE-276 | Incorrect Default Permissions | During installation, installed file permissions are set to allow anyone to modify those files. | https://cwe.mitre.org/data/definitions/276.html | vulnerable |
get_word_rgb_row(j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
/* This version is for reading raw-word-format PPM files with any maxval */
{
ppm_source_ptr source = (ppm_source_ptr)sinfo;
register JSAMPROW ptr;
register U_CHAR *bufferptr;
register JSAMPLE *rescale = source->rescale;
JDIMENSION col;
unsigned int maxval = source->maxval;
if (!ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))
ERREXIT(cinfo, JERR_INPUT_EOF);
ptr = source->pub.buffer[0];
bufferptr = source->iobuffer;
for (col = cinfo->image_width; col > 0; col--) {
register unsigned int temp;
temp = UCH(*bufferptr++) << 8;
temp |= UCH(*bufferptr++);
if (temp > maxval)
ERREXIT(cinfo, JERR_PPM_OUTOFRANGE);
*ptr++ = rescale[temp];
temp = UCH(*bufferptr++) << 8;
temp |= UCH(*bufferptr++);
if (temp > maxval)
ERREXIT(cinfo, JERR_PPM_OUTOFRANGE);
*ptr++ = rescale[temp];
temp = UCH(*bufferptr++) << 8;
temp |= UCH(*bufferptr++);
if (temp > maxval)
ERREXIT(cinfo, JERR_PPM_OUTOFRANGE);
*ptr++ = rescale[temp];
}
return 1;
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
updateDevice(const struct header * headers, time_t t)
{
struct device ** pp = &devlist;
struct device * p = *pp; /* = devlist; */
while(p)
{
if( p->headers[HEADER_NT].l == headers[HEADER_NT].l
&& (0==memcmp(p->headers[HEADER_NT].p, headers[HEADER_NT].p, headers[HEADER_NT].l))
&& p->headers[HEADER_USN].l == headers[HEADER_USN].l
&& (0==memcmp(p->headers[HEADER_USN].p, headers[HEADER_USN].p, headers[HEADER_USN].l)) )
{
/*printf("found! %d\n", (int)(t - p->t));*/
syslog(LOG_DEBUG, "device updated : %.*s", headers[HEADER_USN].l, headers[HEADER_USN].p);
p->t = t;
/* update Location ! */
if(headers[HEADER_LOCATION].l > p->headers[HEADER_LOCATION].l)
{
struct device * tmp;
tmp = realloc(p, sizeof(struct device)
+ headers[0].l+headers[1].l+headers[2].l);
if(!tmp) /* allocation error */
{
syslog(LOG_ERR, "updateDevice() : memory allocation error");
*pp = p->next; /* remove "p" from the list */
free(p);
return 0;
}
p = tmp;
*pp = p;
}
memcpy(p->data + p->headers[0].l + p->headers[1].l,
headers[2].p, headers[2].l);
/* TODO : check p->headers[HEADER_LOCATION].l */
return 0;
}
pp = &p->next;
p = *pp; /* p = p->next; */
}
syslog(LOG_INFO, "new device discovered : %.*s",
headers[HEADER_USN].l, headers[HEADER_USN].p);
/* add */
{
char * pc;
int i;
p = malloc( sizeof(struct device)
+ headers[0].l+headers[1].l+headers[2].l );
if(!p) {
syslog(LOG_ERR, "updateDevice(): cannot allocate memory");
return -1;
}
p->next = devlist;
p->t = t;
pc = p->data;
for(i = 0; i < 3; i++)
{
p->headers[i].p = pc;
p->headers[i].l = headers[i].l;
memcpy(pc, headers[i].p, headers[i].l);
pc += headers[i].l;
}
devlist = p;
sendNotifications(NOTIF_NEW, p, NULL);
}
return 1;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len, int noblock, int flags, int *addr_len)
{
struct inet_sock *isk = inet_sk(sk);
int family = sk->sk_family;
struct sk_buff *skb;
int copied, err;
pr_debug("ping_recvmsg(sk=%p,sk->num=%u)\n", isk, isk->inet_num);
err = -EOPNOTSUPP;
if (flags & MSG_OOB)
goto out;
if (flags & MSG_ERRQUEUE) {
if (family == AF_INET) {
return ip_recv_error(sk, msg, len);
#if IS_ENABLED(CONFIG_IPV6)
} else if (family == AF_INET6) {
return pingv6_ops.ipv6_recv_error(sk, msg, len);
#endif
}
}
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
copied = skb->len;
if (copied > len) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
/* Don't bother checking the checksum */
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err)
goto done;
sock_recv_timestamp(msg, sk, skb);
/* Copy the address and add cmsg data. */
if (family == AF_INET) {
struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
sin->sin_family = AF_INET;
sin->sin_port = 0 /* skb->h.uh->source */;
sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
*addr_len = sizeof(*sin);
if (isk->cmsg_flags)
ip_cmsg_recv(msg, skb);
#if IS_ENABLED(CONFIG_IPV6)
} else if (family == AF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6hdr *ip6 = ipv6_hdr(skb);
struct sockaddr_in6 *sin6 =
(struct sockaddr_in6 *)msg->msg_name;
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_addr = ip6->saddr;
sin6->sin6_flowinfo = 0;
if (np->sndflow)
sin6->sin6_flowinfo = ip6_flowinfo(ip6);
sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
IP6CB(skb)->iif);
*addr_len = sizeof(*sin6);
if (inet6_sk(sk)->rxopt.all)
pingv6_ops.ip6_datagram_recv_ctl(sk, msg, skb);
#endif
} else {
BUG();
}
err = copied;
done:
skb_free_datagram(sk, skb);
out:
pr_debug("ping_recvmsg -> %d\n", err);
return err;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
int ion_handle_put(struct ion_handle *handle)
{
struct ion_client *client = handle->client;
int ret;
mutex_lock(&client->lock);
ret = ion_handle_put_nolock(handle);
mutex_unlock(&client->lock);
return ret;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
static void flush_tmregs_to_thread(struct task_struct *tsk)
{
/*
* If task is not current, it will have been flushed already to
* it's thread_struct during __switch_to().
*
* A reclaim flushes ALL the state or if not in TM save TM SPRs
* in the appropriate thread structures from live.
*/
if ((!cpu_has_feature(CPU_FTR_TM)) || (tsk != current))
return;
if (MSR_TM_SUSPENDED(mfmsr())) {
tm_reclaim_current(TM_CAUSE_SIGNAL);
} else {
tm_enable();
tm_save_sprs(&(tsk->thread));
}
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
jp2_box_t *jp2_box_get(jas_stream_t *in)
{
jp2_box_t *box;
jp2_boxinfo_t *boxinfo;
jas_stream_t *tmpstream;
uint_fast32_t len;
uint_fast64_t extlen;
bool dataflag;
box = 0;
tmpstream = 0;
if (!(box = jp2_box_create0())) {
goto error;
}
if (jp2_getuint32(in, &len) || jp2_getuint32(in, &box->type)) {
goto error;
}
boxinfo = jp2_boxinfolookup(box->type);
box->info = boxinfo;
box->len = len;
JAS_DBGLOG(10, (
"preliminary processing of JP2 box: "
"type=%c%s%c (0x%08x); length=%"PRIuFAST32"\n",
'"', boxinfo->name, '"', box->type, box->len
));
if (box->len == 1) {
JAS_DBGLOG(10, ("big length\n"));
if (jp2_getuint64(in, &extlen)) {
goto error;
}
if (extlen > 0xffffffffUL) {
jas_eprintf("warning: cannot handle large 64-bit box length\n");
extlen = 0xffffffffUL;
}
box->len = extlen;
box->datalen = extlen - JP2_BOX_HDRLEN(true);
} else {
box->datalen = box->len - JP2_BOX_HDRLEN(false);
}
if (box->len != 0 && box->len < 8) {
goto error;
}
dataflag = !(box->info->flags & (JP2_BOX_SUPER | JP2_BOX_NODATA));
if (dataflag) {
if (!(tmpstream = jas_stream_memopen(0, 0))) {
goto error;
}
if (jas_stream_copy(tmpstream, in, box->datalen)) {
jas_eprintf("cannot copy box data\n");
goto error;
}
jas_stream_rewind(tmpstream);
// From here onwards, the box data will need to be destroyed.
// So, initialize the box operations.
box->ops = &boxinfo->ops;
if (box->ops->getdata) {
if ((*box->ops->getdata)(box, tmpstream)) {
jas_eprintf("cannot parse box data\n");
goto error;
}
}
jas_stream_close(tmpstream);
}
if (jas_getdbglevel() >= 1) {
jp2_box_dump(box, stderr);
}
return box;
error:
if (box) {
jp2_box_destroy(box);
}
if (tmpstream) {
jas_stream_close(tmpstream);
}
return 0;
} | 1 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | safe |
check_symlinks(struct archive_write_disk *a)
{
struct archive_string error_string;
int error_number;
int rc;
archive_string_init(&error_string);
rc = check_symlinks_fsobj(a->name, &error_number, &error_string, a->flags);
if (rc != ARCHIVE_OK) {
archive_set_error(&a->archive, error_number, "%s", error_string.s);
}
archive_string_free(&error_string);
a->pst = NULL; /* to be safe */
return rc;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
int net_get(int s, void *arg, int *len)
{
struct net_hdr nh;
int plen;
if (net_read_exact(s, &nh, sizeof(nh)) == -1)
{
return -1;
}
plen = ntohl(nh.nh_len);
if (!(plen <= *len))
printf("PLEN %d type %d len %d\n",
plen, nh.nh_type, *len);
assert(plen <= *len && plen > 0); /* XXX */
*len = plen;
if ((*len) && (net_read_exact(s, arg, *len) == -1))
{
return -1;
}
return nh.nh_type;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
process_bitmap_updates(STREAM s)
{
uint16 num_updates;
uint16 left, top, right, bottom, width, height;
uint16 cx, cy, bpp, Bpp, compress, bufsize, size;
uint8 *data, *bmpdata;
int i;
logger(Protocol, Debug, "%s()", __func__);
in_uint16_le(s, num_updates);
for (i = 0; i < num_updates; i++)
{
in_uint16_le(s, left);
in_uint16_le(s, top);
in_uint16_le(s, right);
in_uint16_le(s, bottom);
in_uint16_le(s, width);
in_uint16_le(s, height);
in_uint16_le(s, bpp);
Bpp = (bpp + 7) / 8;
in_uint16_le(s, compress);
in_uint16_le(s, bufsize);
cx = right - left + 1;
cy = bottom - top + 1;
logger(Graphics, Debug,
"process_bitmap_updates(), [%d,%d,%d,%d], [%d,%d], bpp=%d, compression=%d",
left, top, right, bottom, width, height, Bpp, compress);
if (!compress)
{
int y;
bmpdata = (uint8 *) xmalloc(width * height * Bpp);
for (y = 0; y < height; y++)
{
in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)],
width * Bpp);
}
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata);
xfree(bmpdata);
continue;
}
if (compress & 0x400)
{
size = bufsize;
}
else
{
in_uint8s(s, 2); /* pad */
in_uint16_le(s, size);
in_uint8s(s, 4); /* line_size, final_size */
}
in_uint8p(s, data, size);
bmpdata = (uint8 *) xmalloc(width * height * Bpp);
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp))
{
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata);
}
else
{
logger(Graphics, Warning,
"process_bitmap_updates(), failed to decompress bitmap");
}
xfree(bmpdata);
}
} | 0 | C | CWE-190 | Integer Overflow or Wraparound | The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. | https://cwe.mitre.org/data/definitions/190.html | vulnerable |
int cipso_v4_sock_setattr(struct sock *sk,
const struct cipso_v4_doi *doi_def,
const struct netlbl_lsm_secattr *secattr)
{
int ret_val = -EPERM;
unsigned char *buf = NULL;
u32 buf_len;
u32 opt_len;
struct ip_options *opt = NULL;
struct inet_sock *sk_inet;
struct inet_connection_sock *sk_conn;
/* In the case of sock_create_lite(), the sock->sk field is not
* defined yet but it is not a problem as the only users of these
* "lite" PF_INET sockets are functions which do an accept() call
* afterwards so we will label the socket as part of the accept(). */
if (sk == NULL)
return 0;
/* We allocate the maximum CIPSO option size here so we are probably
* being a little wasteful, but it makes our life _much_ easier later
* on and after all we are only talking about 40 bytes. */
buf_len = CIPSO_V4_OPT_LEN_MAX;
buf = kmalloc(buf_len, GFP_ATOMIC);
if (buf == NULL) {
ret_val = -ENOMEM;
goto socket_setattr_failure;
}
ret_val = cipso_v4_genopt(buf, buf_len, doi_def, secattr);
if (ret_val < 0)
goto socket_setattr_failure;
buf_len = ret_val;
/* We can't use ip_options_get() directly because it makes a call to
* ip_options_get_alloc() which allocates memory with GFP_KERNEL and
* we won't always have CAP_NET_RAW even though we _always_ want to
* set the IPOPT_CIPSO option. */
opt_len = (buf_len + 3) & ~3;
opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);
if (opt == NULL) {
ret_val = -ENOMEM;
goto socket_setattr_failure;
}
memcpy(opt->__data, buf, buf_len);
opt->optlen = opt_len;
opt->cipso = sizeof(struct iphdr);
kfree(buf);
buf = NULL;
sk_inet = inet_sk(sk);
if (sk_inet->is_icsk) {
sk_conn = inet_csk(sk);
if (sk_inet->opt)
sk_conn->icsk_ext_hdr_len -= sk_inet->opt->optlen;
sk_conn->icsk_ext_hdr_len += opt->optlen;
sk_conn->icsk_sync_mss(sk, sk_conn->icsk_pmtu_cookie);
}
opt = xchg(&sk_inet->opt, opt);
kfree(opt);
return 0;
socket_setattr_failure:
kfree(buf);
kfree(opt);
return ret_val;
} | 0 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | vulnerable |
beep_print(netdissect_options *ndo, const u_char *bp, u_int length)
{
if (l_strnstart("MSG", 4, (const char *)bp, length)) /* A REQuest */
ND_PRINT((ndo, " BEEP MSG"));
else if (l_strnstart("RPY ", 4, (const char *)bp, length))
ND_PRINT((ndo, " BEEP RPY"));
else if (l_strnstart("ERR ", 4, (const char *)bp, length))
ND_PRINT((ndo, " BEEP ERR"));
else if (l_strnstart("ANS ", 4, (const char *)bp, length))
ND_PRINT((ndo, " BEEP ANS"));
else if (l_strnstart("NUL ", 4, (const char *)bp, length))
ND_PRINT((ndo, " BEEP NUL"));
else if (l_strnstart("SEQ ", 4, (const char *)bp, length))
ND_PRINT((ndo, " BEEP SEQ"));
else if (l_strnstart("END", 4, (const char *)bp, length))
ND_PRINT((ndo, " BEEP END"));
else
ND_PRINT((ndo, " BEEP (payload or undecoded)"));
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
check_lnums_nested(int do_curwin)
{
check_lnums_both(do_curwin, TRUE);
} | 1 | C | CWE-122 | Heap-based Buffer Overflow | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). | https://cwe.mitre.org/data/definitions/122.html | safe |
int sctp_do_peeloff(struct sock *sk, sctp_assoc_t id, struct socket **sockp)
{
struct sctp_association *asoc = sctp_id2assoc(sk, id);
struct sctp_sock *sp = sctp_sk(sk);
struct socket *sock;
int err = 0;
/* Do not peel off from one netns to another one. */
if (!net_eq(current->nsproxy->net_ns, sock_net(sk)))
return -EINVAL;
if (!asoc)
return -EINVAL;
/* If there is a thread waiting on more sndbuf space for
* sending on this asoc, it cannot be peeled.
*/
if (waitqueue_active(&asoc->wait))
return -EBUSY;
/* An association cannot be branched off from an already peeled-off
* socket, nor is this supported for tcp style sockets.
*/
if (!sctp_style(sk, UDP))
return -EINVAL;
/* Create a new socket. */
err = sock_create(sk->sk_family, SOCK_SEQPACKET, IPPROTO_SCTP, &sock);
if (err < 0)
return err;
sctp_copy_sock(sock->sk, sk, asoc);
/* Make peeled-off sockets more like 1-1 accepted sockets.
* Set the daddr and initialize id to something more random
*/
sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sk);
/* Populate the fields of the newsk from the oldsk and migrate the
* asoc to the newsk.
*/
sctp_sock_migrate(sk, sock->sk, asoc, SCTP_SOCKET_UDP_HIGH_BANDWIDTH);
*sockp = sock;
return err;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
static void do_cpuid(int regs[], int h)
{
__asm__ __volatile__(
#if defined __x86_64__
"pushq %%rbx;\n"
#else
"pushl %%ebx;\n"
#endif
"cpuid;\n"
#if defined __x86_64__
"popq %%rbx;\n"
#else
"popl %%ebx;\n"
#endif
: "=a"(regs[0]), [ebx] "=r"(regs[1]), "=c"(regs[2]), "=d"(regs[3])
: "a"(h));
} | 1 | C | CWE-310 | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | safe |
int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len, int flags)
{
int noblock = flags & MSG_DONTWAIT;
struct sock *sk = sock->sk;
struct sk_buff *skb;
size_t copied;
int err;
BT_DBG("sock %p sk %p len %zu", sock, sk, len);
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN) {
msg->msg_namelen = 0;
return 0;
}
return err;
}
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
skb_reset_transport_header(skb);
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err == 0) {
sock_recv_ts_and_drops(msg, sk, skb);
if (bt_sk(sk)->skb_msg_name)
bt_sk(sk)->skb_msg_name(skb, msg->msg_name,
&msg->msg_namelen);
else
msg->msg_namelen = 0;
}
skb_free_datagram(sk, skb);
return err ? : copied;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
ast_type_init(PyObject *self, PyObject *args, PyObject *kw)
{
_Py_IDENTIFIER(_fields);
Py_ssize_t i, numfields = 0;
int res = -1;
PyObject *key, *value, *fields;
fields = _PyObject_GetAttrId((PyObject*)Py_TYPE(self), &PyId__fields);
if (!fields)
PyErr_Clear();
if (fields) {
numfields = PySequence_Size(fields);
if (numfields == -1)
goto cleanup;
}
res = 0; /* if no error occurs, this stays 0 to the end */
if (PyTuple_GET_SIZE(args) > 0) {
if (numfields != PyTuple_GET_SIZE(args)) {
PyErr_Format(PyExc_TypeError, "%.400s constructor takes %s"
"%zd positional argument%s",
Py_TYPE(self)->tp_name,
numfields == 0 ? "" : "either 0 or ",
numfields, numfields == 1 ? "" : "s");
res = -1;
goto cleanup;
}
for (i = 0; i < PyTuple_GET_SIZE(args); i++) {
/* cannot be reached when fields is NULL */
PyObject *name = PySequence_GetItem(fields, i);
if (!name) {
res = -1;
goto cleanup;
}
res = PyObject_SetAttr(self, name, PyTuple_GET_ITEM(args, i));
Py_DECREF(name);
if (res < 0)
goto cleanup;
}
}
if (kw) {
i = 0; /* needed by PyDict_Next */
while (PyDict_Next(kw, &i, &key, &value)) {
res = PyObject_SetAttr(self, key, value);
if (res < 0)
goto cleanup;
}
}
cleanup:
Py_XDECREF(fields);
return res;
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
int bad_format(
char *fmt)
{
char *ptr;
int n = 0;
ptr = fmt;
while (*ptr != '\0')
if (*ptr++ == '%') {
/* line cannot end with percent char */
if (*ptr == '\0')
return 1;
/* '%s', '%S' and '%%' are allowed */
if (*ptr == 's' || *ptr == 'S' || *ptr == '%')
ptr++;
/* %c is allowed (but use only with vdef!) */
else if (*ptr == 'c') {
ptr++;
n = 1;
}
/* or else '% 6.2lf' and such are allowed */
else {
/* optional padding character */
if (*ptr == ' ' || *ptr == '+' || *ptr == '-')
ptr++;
/* This should take care of 'm.n' with all three optional */
while (*ptr >= '0' && *ptr <= '9')
ptr++;
if (*ptr == '.')
ptr++;
while (*ptr >= '0' && *ptr <= '9')
ptr++;
/* Either 'le', 'lf' or 'lg' must follow here */
if (*ptr++ != 'l')
return 1;
if (*ptr == 'e' || *ptr == 'f' || *ptr == 'g')
ptr++;
else
return 1;
n++;
}
}
return (n != 1);
} | 0 | C | CWE-134 | Use of Externally-Controlled Format String | The software uses a function that accepts a format string as an argument, but the format string originates from an external source. | https://cwe.mitre.org/data/definitions/134.html | vulnerable |
static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
{
struct ipcm_cookie ipc;
struct rtable *rt = skb_rtable(skb);
struct net *net = dev_net(rt->dst.dev);
struct sock *sk;
struct inet_sock *inet;
__be32 daddr;
if (ip_options_echo(&icmp_param->replyopts.opt.opt, skb))
return;
sk = icmp_xmit_lock(net);
if (sk == NULL)
return;
inet = inet_sk(sk);
icmp_param->data.icmph.checksum = 0;
inet->tos = ip_hdr(skb)->tos;
daddr = ipc.addr = rt->rt_src;
ipc.opt = NULL;
ipc.tx_flags = 0;
if (icmp_param->replyopts.opt.opt.optlen) {
ipc.opt = &icmp_param->replyopts.opt;
if (ipc.opt->opt.srr)
daddr = icmp_param->replyopts.opt.opt.faddr;
}
{
struct flowi4 fl4 = {
.daddr = daddr,
.saddr = rt->rt_spec_dst,
.flowi4_tos = RT_TOS(ip_hdr(skb)->tos),
.flowi4_proto = IPPROTO_ICMP,
};
security_skb_classify_flow(skb, flowi4_to_flowi(&fl4));
rt = ip_route_output_key(net, &fl4);
if (IS_ERR(rt))
goto out_unlock;
}
if (icmpv4_xrlim_allow(net, rt, icmp_param->data.icmph.type,
icmp_param->data.icmph.code))
icmp_push_reply(icmp_param, &ipc, &rt);
ip_rt_put(rt);
out_unlock:
icmp_xmit_unlock(sk);
} | 1 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | safe |
ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c)
{
ssize_t n;
ngx_int_t rc;
ngx_str_t l;
ngx_mail_core_srv_conf_t *cscf;
if (s->buffer->last < s->buffer->end) {
n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last);
if (n == NGX_ERROR || n == 0) {
ngx_mail_close_connection(c);
return NGX_ERROR;
}
if (n > 0) {
s->buffer->last += n;
}
if (n == NGX_AGAIN) {
if (s->buffer->pos == s->buffer->last) {
return NGX_AGAIN;
}
}
}
cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
rc = cscf->protocol->parse_command(s);
if (rc == NGX_AGAIN) {
if (s->buffer->last < s->buffer->end) {
return rc;
}
l.len = s->buffer->last - s->buffer->start;
l.data = s->buffer->start;
ngx_log_error(NGX_LOG_INFO, c->log, 0,
"client sent too long command \"%V\"", &l);
s->quit = 1;
return NGX_MAIL_PARSE_INVALID_COMMAND;
}
if (rc == NGX_MAIL_PARSE_INVALID_COMMAND) {
s->errors++;
if (s->errors >= cscf->max_errors) {
ngx_log_error(NGX_LOG_INFO, c->log, 0,
"client sent too many invalid commands");
s->quit = 1;
}
return rc;
}
if (rc == NGX_IMAP_NEXT) {
return rc;
}
if (rc == NGX_ERROR) {
ngx_mail_close_connection(c);
return NGX_ERROR;
}
return NGX_OK;
} | 1 | C | CWE-295 | Improper Certificate Validation | The software does not validate, or incorrectly validates, a certificate. | https://cwe.mitre.org/data/definitions/295.html | safe |
static inline struct page *try_get_compound_head(struct page *page, int refs)
{
struct page *head = compound_head(page);
if (WARN_ON_ONCE(page_ref_count(head) < 0))
return NULL;
if (unlikely(!page_cache_add_speculative(head, refs)))
return NULL;
return head;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v) {
global_State *g = G(L);
lua_assert(isblack(o) && iswhite(v) && !isdead(g, v) && !isdead(g, o));
if (keepinvariant(g)) { /* must keep invariant? */
reallymarkobject(g, v); /* restore invariant */
if (isold(o)) {
lua_assert(!isold(v)); /* white object could not be old */
setage(v, G_OLD0); /* restore generational invariant */
}
}
else { /* sweep phase */
lua_assert(issweepphase(g));
makewhite(g, o); /* mark main obj. as white to avoid other barriers */
}
} | 0 | C | CWE-763 | Release of Invalid Pointer or Reference | The application attempts to return a memory resource to the system, but calls the wrong release function or calls the appropriate release function incorrectly. | https://cwe.mitre.org/data/definitions/763.html | vulnerable |
uint16_t enc28j60ReadPhyReg(NetInterface *interface, uint16_t address)
{
uint16_t data;
//Write register address
enc28j60WriteReg(interface, ENC28J60_REG_MIREGADR, address & REG_ADDR_MASK);
//Start read operation
enc28j60WriteReg(interface, ENC28J60_REG_MICMD, MICMD_MIIRD);
//Wait for the read operation to complete
while((enc28j60ReadReg(interface, ENC28J60_REG_MISTAT) & MISTAT_BUSY) != 0)
{
}
//Clear command register
enc28j60WriteReg(interface, ENC28J60_REG_MICMD, 0);
//Read the lower 8 bits
data = enc28j60ReadReg(interface, ENC28J60_REG_MIRDL);
//Read the upper 8 bits
data |= enc28j60ReadReg(interface, ENC28J60_REG_MIRDH) << 8;
//Return register contents
return data;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
obj2ast_withitem(PyObject* obj, withitem_ty* out, PyArena* arena)
{
PyObject* tmp = NULL;
expr_ty context_expr;
expr_ty optional_vars;
if (_PyObject_HasAttrId(obj, &PyId_context_expr)) {
int res;
tmp = _PyObject_GetAttrId(obj, &PyId_context_expr);
if (tmp == NULL) goto failed;
res = obj2ast_expr(tmp, &context_expr, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
} else {
PyErr_SetString(PyExc_TypeError, "required field \"context_expr\" missing from withitem");
return 1;
}
if (exists_not_none(obj, &PyId_optional_vars)) {
int res;
tmp = _PyObject_GetAttrId(obj, &PyId_optional_vars);
if (tmp == NULL) goto failed;
res = obj2ast_expr(tmp, &optional_vars, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
} else {
optional_vars = NULL;
}
*out = withitem(context_expr, optional_vars, arena);
return 0;
failed:
Py_XDECREF(tmp);
return 1;
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
hb_set_set (hb_set_t *set,
const hb_set_t *other)
{
if (unlikely (hb_object_is_immutable (set)))
return;
set->set (*other);
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
void svhandler_flash_pgm_blk(void) {
uint32_t beginAddr = _param_1;
uint32_t data = _param_2;
uint32_t length = _param_3;
// Protect from overflow.
if (beginAddr + length < beginAddr) return;
// Do not allow firmware to erase bootstrap or bootloader sectors.
if (((beginAddr >= BSTRP_FLASH_SECT_START) &&
(beginAddr <= (BSTRP_FLASH_SECT_START + BSTRP_FLASH_SECT_LEN - 1))) ||
(((beginAddr + length) >= BSTRP_FLASH_SECT_START) &&
((beginAddr + length) <=
(BSTRP_FLASH_SECT_START + BSTRP_FLASH_SECT_LEN - 1)))) {
return;
}
if (((beginAddr >= BLDR_FLASH_SECT_START) &&
(beginAddr <= (BLDR_FLASH_SECT_START + 2 * BLDR_FLASH_SECT_LEN - 1))) ||
(((beginAddr + length) >= BLDR_FLASH_SECT_START) &&
((beginAddr + length) <=
(BLDR_FLASH_SECT_START + 2 * BLDR_FLASH_SECT_LEN - 1)))) {
return;
}
// Unlock flash.
flash_clear_status_flags();
flash_unlock();
// Flash write.
flash_program(beginAddr, (uint8_t *)data, length);
// Return flash status.
_param_1 = !!flash_chk_status();
_param_2 = 0;
_param_3 = 0;
// Wait for any write operation to complete.
flash_wait_for_last_operation();
// Disable writes to flash.
FLASH_CR &= ~FLASH_CR_PG;
// Lock flash register
FLASH_CR |= FLASH_CR_LOCK;
} | 0 | C | CWE-668 | Exposure of Resource to Wrong Sphere | The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource. | https://cwe.mitre.org/data/definitions/668.html | vulnerable |
gplotMakeOutput(GPLOT *gplot)
{
char buf[L_BUF_SIZE];
char *cmdname;
l_int32 ignore;
PROCNAME("gplotMakeOutput");
if (!gplot)
return ERROR_INT("gplot not defined", procName, 1);
gplotGenCommandFile(gplot);
gplotGenDataFiles(gplot);
cmdname = genPathname(gplot->cmdname, NULL);
#ifndef _WIN32
snprintf(buf, L_BUF_SIZE, "gnuplot %s", cmdname);
#else
snprintf(buf, L_BUF_SIZE, "wgnuplot %s", cmdname);
#endif /* _WIN32 */
#ifndef OS_IOS /* iOS 11 does not support system() */
ignore = system(buf); /* gnuplot || wgnuplot */
#endif /* !OS_IOS */
LEPT_FREE(cmdname);
return 0;
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
ikev2_ID_print(netdissect_options *ndo, u_char tpay,
const struct isakmp_gen *ext,
u_int item_len _U_, const u_char *ep _U_,
uint32_t phase _U_, uint32_t doi _U_,
uint32_t proto _U_, int depth _U_)
{
const struct ikev2_id *idp;
struct ikev2_id id;
int id_len, idtype_len, i;
unsigned int dumpascii, dumphex;
const unsigned char *typedata;
idp = (const struct ikev2_id *)ext;
ND_TCHECK(*idp);
UNALIGNED_MEMCPY(&id, ext, sizeof(id));
ikev2_pay_print(ndo, NPSTR(tpay), id.h.critical);
id_len = ntohs(id.h.len);
ND_PRINT((ndo," len=%d", id_len - 4));
if (2 < ndo->ndo_vflag && 4 < id_len) {
/* Print the entire payload in hex */
ND_PRINT((ndo," "));
if (!rawprint(ndo, (const uint8_t *)(ext + 1), id_len - 4))
goto trunc;
}
idtype_len =id_len - sizeof(struct ikev2_id);
dumpascii = 0;
dumphex = 0;
typedata = (const unsigned char *)(ext)+sizeof(struct ikev2_id);
switch(id.type) {
case ID_IPV4_ADDR:
ND_PRINT((ndo, " ipv4:"));
dumphex=1;
break;
case ID_FQDN:
ND_PRINT((ndo, " fqdn:"));
dumpascii=1;
break;
case ID_RFC822_ADDR:
ND_PRINT((ndo, " rfc822:"));
dumpascii=1;
break;
case ID_IPV6_ADDR:
ND_PRINT((ndo, " ipv6:"));
dumphex=1;
break;
case ID_DER_ASN1_DN:
ND_PRINT((ndo, " dn:"));
dumphex=1;
break;
case ID_DER_ASN1_GN:
ND_PRINT((ndo, " gn:"));
dumphex=1;
break;
case ID_KEY_ID:
ND_PRINT((ndo, " keyid:"));
dumphex=1;
break;
}
if(dumpascii) {
ND_TCHECK2(*typedata, idtype_len);
for(i=0; i<idtype_len; i++) {
if(ND_ISPRINT(typedata[i])) {
ND_PRINT((ndo, "%c", typedata[i]));
} else {
ND_PRINT((ndo, "."));
}
}
}
if(dumphex) {
if (!rawprint(ndo, (const uint8_t *)typedata, idtype_len))
goto trunc;
}
return (const u_char *)ext + id_len;
trunc:
ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
return NULL;
} | 1 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | safe |
static int jas_iccgetuint(jas_stream_t *in, int n, ulonglong *val)
{
int i;
int c;
ulonglong v;
v = 0;
for (i = n; i > 0; --i) {
if ((c = jas_stream_getc(in)) == EOF)
return -1;
v = (v << 8) | c;
}
*val = v;
return 0;
} | 0 | C | CWE-190 | Integer Overflow or Wraparound | The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. | https://cwe.mitre.org/data/definitions/190.html | vulnerable |
static inline u32 net_hash_mix(const struct net *net)
{
return net->hash_mix;
} | 1 | C | CWE-326 | Inadequate Encryption Strength | The software stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. | https://cwe.mitre.org/data/definitions/326.html | safe |
const char * util_acl_to_str(const sc_acl_entry_t *e)
{
static char line[80], buf[20];
unsigned int acl;
if (e == NULL)
return "N/A";
line[0] = 0;
while (e != NULL) {
acl = e->method;
switch (acl) {
case SC_AC_UNKNOWN:
return "N/A";
case SC_AC_NEVER:
return "NEVR";
case SC_AC_NONE:
return "NONE";
case SC_AC_CHV:
strcpy(buf, "CHV");
if (e->key_ref != SC_AC_KEY_REF_NONE)
sprintf(buf + 3, "%d", e->key_ref);
break;
case SC_AC_TERM:
strcpy(buf, "TERM");
break;
case SC_AC_PRO:
strcpy(buf, "PROT");
break;
case SC_AC_AUT:
strcpy(buf, "AUTH");
if (e->key_ref != SC_AC_KEY_REF_NONE)
sprintf(buf + 4, "%d", e->key_ref);
break;
case SC_AC_SEN:
strcpy(buf, "Sec.Env. ");
if (e->key_ref != SC_AC_KEY_REF_NONE)
sprintf(buf + 3, "#%d", e->key_ref);
break;
case SC_AC_SCB:
strcpy(buf, "Sec.ControlByte ");
if (e->key_ref != SC_AC_KEY_REF_NONE)
sprintf(buf + 3, "Ox%X", e->key_ref);
break;
case SC_AC_IDA:
strcpy(buf, "PKCS#15 AuthID ");
if (e->key_ref != SC_AC_KEY_REF_NONE)
sprintf(buf + 3, "#%d", e->key_ref);
break;
default:
strcpy(buf, "????");
break;
}
strcat(line, buf);
strcat(line, " ");
e = e->next;
}
line[strlen(line)-1] = 0; /* get rid of trailing space */
return line;
} | 0 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | vulnerable |
static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end,
int write, struct page **pages, int *nr)
{
struct dev_pagemap *pgmap = NULL;
int nr_start = *nr, ret = 0;
pte_t *ptep, *ptem;
ptem = ptep = pte_offset_map(&pmd, addr);
do {
pte_t pte = gup_get_pte(ptep);
struct page *head, *page;
/*
* Similar to the PMD case below, NUMA hinting must take slow
* path using the pte_protnone check.
*/
if (pte_protnone(pte))
goto pte_unmap;
if (!pte_access_permitted(pte, write))
goto pte_unmap;
if (pte_devmap(pte)) {
pgmap = get_dev_pagemap(pte_pfn(pte), pgmap);
if (unlikely(!pgmap)) {
undo_dev_pagemap(nr, nr_start, pages);
goto pte_unmap;
}
} else if (pte_special(pte))
goto pte_unmap;
VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
page = pte_page(pte);
head = try_get_compound_head(page, 1);
if (!head)
goto pte_unmap;
if (unlikely(pte_val(pte) != pte_val(*ptep))) {
put_page(head);
goto pte_unmap;
}
VM_BUG_ON_PAGE(compound_head(page) != head, page);
SetPageReferenced(page);
pages[*nr] = page;
(*nr)++;
} while (ptep++, addr += PAGE_SIZE, addr != end);
ret = 1;
pte_unmap:
if (pgmap)
put_dev_pagemap(pgmap);
pte_unmap(ptem);
return ret;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
static struct mb2_cache_entry *__entry_find(struct mb2_cache *cache,
struct mb2_cache_entry *entry,
u32 key)
{
struct mb2_cache_entry *old_entry = entry;
struct hlist_bl_node *node;
struct hlist_bl_head *head;
if (entry)
head = entry->e_hash_list_head;
else
head = &cache->c_hash[hash_32(key, cache->c_bucket_bits)];
hlist_bl_lock(head);
if (entry && !hlist_bl_unhashed(&entry->e_hash_list))
node = entry->e_hash_list.next;
else
node = hlist_bl_first(head);
while (node) {
entry = hlist_bl_entry(node, struct mb2_cache_entry,
e_hash_list);
if (entry->e_key == key) {
atomic_inc(&entry->e_refcnt);
goto out;
}
node = node->next;
}
entry = NULL;
out:
hlist_bl_unlock(head);
if (old_entry)
mb2_cache_entry_put(cache, old_entry);
return entry;
} | 1 | C | CWE-19 | Data Processing Errors | Weaknesses in this category are typically found in functionality that processes data. Data processing is the manipulation of input to retrieve or save information. | https://cwe.mitre.org/data/definitions/19.html | safe |
static int fsmVerify(const char *path, rpmfi fi, const struct stat *fsb)
{
int rc;
int saveerrno = errno;
struct stat dsb;
mode_t mode = rpmfiFMode(fi);
rc = fsmStat(path, 1, &dsb);
if (rc)
return rc;
if (S_ISREG(mode)) {
/* HP-UX (and other os'es) don't permit unlink on busy files. */
char *rmpath = rstrscat(NULL, path, "-RPMDELETE", NULL);
rc = fsmRename(path, rmpath);
/* XXX shouldn't we take unlink return code here? */
if (!rc)
(void) fsmUnlink(rmpath);
else
rc = RPMERR_UNLINK_FAILED;
free(rmpath);
return (rc ? rc : RPMERR_ENOENT); /* XXX HACK */
} else if (S_ISDIR(mode)) {
if (S_ISDIR(dsb.st_mode)) return 0;
if (S_ISLNK(dsb.st_mode)) {
uid_t luid = dsb.st_uid;
rc = fsmStat(path, 0, &dsb);
if (rc == RPMERR_ENOENT) rc = 0;
if (rc) return rc;
errno = saveerrno;
/* Only permit directory symlinks by target owner and root */
if (S_ISDIR(dsb.st_mode) && (luid == 0 || luid == fsb->st_uid))
return 0;
}
} else if (S_ISLNK(mode)) {
if (S_ISLNK(dsb.st_mode)) {
char buf[8 * BUFSIZ];
size_t len;
rc = fsmReadLink(path, buf, 8 * BUFSIZ, &len);
errno = saveerrno;
if (rc) return rc;
if (rstreq(rpmfiFLink(fi), buf)) return 0;
}
} else if (S_ISFIFO(mode)) {
if (S_ISFIFO(dsb.st_mode)) return 0;
} else if (S_ISCHR(mode) || S_ISBLK(mode)) {
if ((S_ISCHR(dsb.st_mode) || S_ISBLK(dsb.st_mode)) &&
(dsb.st_rdev == rpmfiFRdev(fi))) return 0;
} else if (S_ISSOCK(mode)) {
if (S_ISSOCK(dsb.st_mode)) return 0;
}
/* XXX shouldn't do this with commit/undo. */
rc = fsmUnlink(path);
if (rc == 0) rc = RPMERR_ENOENT;
return (rc ? rc : RPMERR_ENOENT); /* XXX HACK */
} | 1 | C | CWE-59 | Improper Link Resolution Before File Access ('Link Following') | The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. | https://cwe.mitre.org/data/definitions/59.html | safe |
static int l2tp_ip6_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddr_len, int peer)
{
struct sockaddr_l2tpip6 *lsa = (struct sockaddr_l2tpip6 *)uaddr;
struct sock *sk = sock->sk;
struct ipv6_pinfo *np = inet6_sk(sk);
struct l2tp_ip6_sock *lsk = l2tp_ip6_sk(sk);
lsa->l2tp_family = AF_INET6;
lsa->l2tp_flowinfo = 0;
lsa->l2tp_scope_id = 0;
lsa->l2tp_unused = 0;
if (peer) {
if (!lsk->peer_conn_id)
return -ENOTCONN;
lsa->l2tp_conn_id = lsk->peer_conn_id;
lsa->l2tp_addr = np->daddr;
if (np->sndflow)
lsa->l2tp_flowinfo = np->flow_label;
} else {
if (ipv6_addr_any(&np->rcv_saddr))
lsa->l2tp_addr = np->saddr;
else
lsa->l2tp_addr = np->rcv_saddr;
lsa->l2tp_conn_id = lsk->conn_id;
}
if (ipv6_addr_type(&lsa->l2tp_addr) & IPV6_ADDR_LINKLOCAL)
lsa->l2tp_scope_id = sk->sk_bound_dev_if;
*uaddr_len = sizeof(*lsa);
return 0;
} | 1 | C | CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | https://cwe.mitre.org/data/definitions/200.html | safe |
static bool too_many_pipe_buffers_hard(struct user_struct *user)
{
return pipe_user_pages_hard &&
atomic_long_read(&user->pipe_bufs) >= pipe_user_pages_hard;
} | 1 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | safe |
static unsigned int help(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
unsigned int protoff,
unsigned int matchoff,
unsigned int matchlen,
struct nf_conntrack_expect *exp)
{
char buffer[sizeof("4294967296 65635")];
u_int16_t port;
unsigned int ret;
/* Reply comes from server. */
exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port;
exp->dir = IP_CT_DIR_REPLY;
exp->expectfn = nf_nat_follow_master;
/* Try to get same port: if not, try to change it. */
for (port = ntohs(exp->saved_proto.tcp.port); port != 0; port++) {
int ret;
exp->tuple.dst.u.tcp.port = htons(port);
ret = nf_ct_expect_related(exp);
if (ret == 0)
break;
else if (ret != -EBUSY) {
port = 0;
break;
}
}
if (port == 0) {
nf_ct_helper_log(skb, exp->master, "all ports in use");
return NF_DROP;
}
ret = nf_nat_mangle_tcp_packet(skb, exp->master, ctinfo,
protoff, matchoff, matchlen, buffer,
strlen(buffer));
if (ret != NF_ACCEPT) {
nf_ct_helper_log(skb, exp->master, "cannot mangle packet");
nf_ct_unexpect_related(exp);
}
return ret;
} | 0 | C | CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | https://cwe.mitre.org/data/definitions/200.html | vulnerable |
static void jas_stream_initbuf(jas_stream_t *stream, int bufmode, char *buf,
int bufsize)
{
/* If this function is being called, the buffer should not have been
initialized yet. */
assert(!stream->bufbase_);
if (bufmode != JAS_STREAM_UNBUF) {
/* The full- or line-buffered mode is being employed. */
if (!buf) {
/* The caller has not specified a buffer to employ, so allocate
one. */
if ((stream->bufbase_ = jas_malloc(JAS_STREAM_BUFSIZE +
JAS_STREAM_MAXPUTBACK))) {
stream->bufmode_ |= JAS_STREAM_FREEBUF;
stream->bufsize_ = JAS_STREAM_BUFSIZE;
} else {
/* The buffer allocation has failed. Resort to unbuffered
operation. */
stream->bufbase_ = stream->tinybuf_;
stream->bufsize_ = 1;
}
} else {
/* The caller has specified a buffer to employ. */
/* The buffer must be large enough to accommodate maximum
putback. */
assert(bufsize > JAS_STREAM_MAXPUTBACK);
stream->bufbase_ = JAS_CAST(jas_uchar *, buf);
stream->bufsize_ = bufsize - JAS_STREAM_MAXPUTBACK;
}
} else {
/* The unbuffered mode is being employed. */
/* A buffer should not have been supplied by the caller. */
assert(!buf);
/* Use a trivial one-character buffer. */
stream->bufbase_ = stream->tinybuf_;
stream->bufsize_ = 1;
}
stream->bufstart_ = &stream->bufbase_[JAS_STREAM_MAXPUTBACK];
stream->ptr_ = stream->bufstart_;
stream->cnt_ = 0;
stream->bufmode_ |= bufmode & JAS_STREAM_BUFMODEMASK;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
static int setup_ttydir_console(const struct lxc_rootfs *rootfs,
const struct lxc_console *console,
char *ttydir)
{
char path[MAXPATHLEN], lxcpath[MAXPATHLEN];
int ret;
/* create rootfs/dev/<ttydir> directory */
ret = snprintf(path, sizeof(path), "%s/dev/%s", rootfs->mount,
ttydir);
if (ret >= sizeof(path))
return -1;
ret = mkdir(path, 0755);
if (ret && errno != EEXIST) {
SYSERROR("failed with errno %d to create %s", errno, path);
return -1;
}
INFO("created %s", path);
ret = snprintf(lxcpath, sizeof(lxcpath), "%s/dev/%s/console",
rootfs->mount, ttydir);
if (ret >= sizeof(lxcpath)) {
ERROR("console path too long");
return -1;
}
snprintf(path, sizeof(path), "%s/dev/console", rootfs->mount);
ret = unlink(path);
if (ret && errno != ENOENT) {
SYSERROR("error unlinking %s", path);
return -1;
}
ret = creat(lxcpath, 0660);
if (ret==-1 && errno != EEXIST) {
SYSERROR("error %d creating %s", errno, lxcpath);
return -1;
}
if (ret >= 0)
close(ret);
if (console->master < 0) {
INFO("no console");
return 0;
}
if (safe_mount(console->name, lxcpath, "none", MS_BIND, 0, rootfs->mount)) {
ERROR("failed to mount '%s' on '%s'", console->name, lxcpath);
return -1;
}
/* create symlink from rootfs/dev/console to 'lxc/console' */
ret = snprintf(lxcpath, sizeof(lxcpath), "%s/console", ttydir);
if (ret >= sizeof(lxcpath)) {
ERROR("lxc/console path too long");
return -1;
}
ret = symlink(lxcpath, path);
if (ret) {
SYSERROR("failed to create symlink for console");
return -1;
}
INFO("console has been setup on %s", lxcpath);
return 0;
} | 1 | C | CWE-59 | Improper Link Resolution Before File Access ('Link Following') | The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. | https://cwe.mitre.org/data/definitions/59.html | safe |
static unsigned int seedsize(struct crypto_alg *alg)
{
struct rng_alg *ralg = container_of(alg, struct rng_alg, base);
return ralg->seedsize;
} | 1 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | safe |
static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
unsigned int i;
if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))
return rdesc;
if (*rsize < 4)
return rdesc;
for (i = 0; i < *rsize - 4; i++)
if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) {
rdesc[i] = 0x19;
rdesc[i + 2] = 0x29;
swap(rdesc[i + 3], rdesc[i + 1]);
}
return rdesc;
} | 1 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | safe |
int my_redel(const char *org_name, const char *tmp_name, myf MyFlags)
{
int error=1;
DBUG_ENTER("my_redel");
DBUG_PRINT("my",("org_name: '%s' tmp_name: '%s' MyFlags: %d",
org_name,tmp_name,MyFlags));
if (my_copystat(org_name,tmp_name,MyFlags) < 0)
goto end;
if (MyFlags & MY_REDEL_MAKE_BACKUP)
{
char name_buff[FN_REFLEN+20];
char ext[20];
ext[0]='-';
get_date(ext+1,2+4,(time_t) 0);
strmov(strend(ext),REDEL_EXT);
if (my_rename(org_name, fn_format(name_buff, org_name, "", ext, 2),
MyFlags))
goto end;
}
else if (my_delete_allow_opened(org_name, MyFlags))
goto end;
if (my_rename(tmp_name,org_name,MyFlags))
goto end;
error=0;
end:
DBUG_RETURN(error);
} /* my_redel */ | 0 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | vulnerable |
static int read_tfra(MOVContext *mov, AVIOContext *f)
{
MOVFragmentIndex* index = NULL;
int version, fieldlength, i, j;
int64_t pos = avio_tell(f);
uint32_t size = avio_rb32(f);
void *tmp;
if (avio_rb32(f) != MKBETAG('t', 'f', 'r', 'a')) {
return 1;
}
av_log(mov->fc, AV_LOG_VERBOSE, "found tfra\n");
index = av_mallocz(sizeof(MOVFragmentIndex));
if (!index) {
return AVERROR(ENOMEM);
}
tmp = av_realloc_array(mov->fragment_index_data,
mov->fragment_index_count + 1,
sizeof(MOVFragmentIndex*));
if (!tmp) {
av_freep(&index);
return AVERROR(ENOMEM);
}
mov->fragment_index_data = tmp;
mov->fragment_index_data[mov->fragment_index_count++] = index;
version = avio_r8(f);
avio_rb24(f);
index->track_id = avio_rb32(f);
fieldlength = avio_rb32(f);
index->item_count = avio_rb32(f);
index->items = av_mallocz_array(
index->item_count, sizeof(MOVFragmentIndexItem));
if (!index->items) {
index->item_count = 0;
return AVERROR(ENOMEM);
}
for (i = 0; i < index->item_count; i++) {
int64_t time, offset;
if (avio_feof(f)) {
index->item_count = 0;
av_freep(&index->items);
return AVERROR_INVALIDDATA;
}
if (version == 1) {
time = avio_rb64(f);
offset = avio_rb64(f);
} else {
time = avio_rb32(f);
offset = avio_rb32(f);
}
index->items[i].time = time;
index->items[i].moof_offset = offset;
for (j = 0; j < ((fieldlength >> 4) & 3) + 1; j++)
avio_r8(f);
for (j = 0; j < ((fieldlength >> 2) & 3) + 1; j++)
avio_r8(f);
for (j = 0; j < ((fieldlength >> 0) & 3) + 1; j++)
avio_r8(f);
}
avio_seek(f, pos + size, SEEK_SET);
return 0;
} | 1 | C | CWE-834 | Excessive Iteration | The software performs an iteration or loop without sufficiently limiting the number of times that the loop is executed. | https://cwe.mitre.org/data/definitions/834.html | safe |
crm_send_remote_msg_raw(void *session, const char *buf, size_t len, gboolean encrypted)
{
int rc = -1;
if (encrypted) {
#ifdef HAVE_GNUTLS_GNUTLS_H
rc = crm_send_tls(session, buf, len);
#else
CRM_ASSERT(encrypted == FALSE);
#endif
} else {
rc = crm_send_plaintext(GPOINTER_TO_INT(session), buf, len);
}
return rc;
} | 1 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | safe |
nfsd4_encode_layoutget(struct nfsd4_compoundres *resp, __be32 nfserr,
struct nfsd4_layoutget *lgp)
{
struct xdr_stream *xdr = &resp->xdr;
const struct nfsd4_layout_ops *ops =
nfsd4_layout_ops[lgp->lg_layout_type];
__be32 *p;
dprintk("%s: err %d\n", __func__, nfserr);
if (nfserr)
goto out;
nfserr = nfserr_resource;
p = xdr_reserve_space(xdr, 36 + sizeof(stateid_opaque_t));
if (!p)
goto out;
*p++ = cpu_to_be32(1); /* we always set return-on-close */
*p++ = cpu_to_be32(lgp->lg_sid.si_generation);
p = xdr_encode_opaque_fixed(p, &lgp->lg_sid.si_opaque,
sizeof(stateid_opaque_t));
*p++ = cpu_to_be32(1); /* we always return a single layout */
p = xdr_encode_hyper(p, lgp->lg_seg.offset);
p = xdr_encode_hyper(p, lgp->lg_seg.length);
*p++ = cpu_to_be32(lgp->lg_seg.iomode);
*p++ = cpu_to_be32(lgp->lg_layout_type);
nfserr = ops->encode_layoutget(xdr, lgp);
out:
kfree(lgp->lg_content);
return nfserr;
} | 0 | C | CWE-129 | Improper Validation of Array Index | The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. | https://cwe.mitre.org/data/definitions/129.html | vulnerable |
PUBLIC cchar *mprGetJson(MprJson *obj, cchar *key)
{
MprJson *result;
if (key && !strpbrk(key, ".[]*")) {
return mprReadJson(obj, key);
}
if ((result = mprQueryJson(obj, key, 0, 0)) != 0) {
if (result->length == 1 && result->children->type & MPR_JSON_VALUE) {
return result->children->value;
} else if (result->length > 1) {
return mprJsonToString(result, 0);
}
}
return 0;
} | 1 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | safe |
static char *print_string(cJSON *item,printbuffer *p) {return print_string_ptr(item->valuestring,p);} | 1 | C | CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. | https://cwe.mitre.org/data/definitions/120.html | safe |
static BYTE get_bmf_bpp(UINT32 bmf, BOOL* pValid)
{
if (pValid)
*pValid = TRUE;
switch (bmf)
{
case 1:
return 1;
case 3:
return 8;
case 4:
return 16;
case 5:
return 24;
case 6:
return 32;
default:
WLog_WARN(TAG, "Invalid bmf %" PRIu32, bmf);
if (pValid)
*pValid = FALSE;
return 0;
}
} | 1 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | safe |
static void Sp_match(js_State *J)
{
js_Regexp *re;
const char *text;
int len;
const char *a, *b, *c, *e;
Resub m;
text = checkstring(J, 0);
if (js_isregexp(J, 1))
js_copy(J, 1);
else if (js_isundefined(J, 1))
js_newregexp(J, "", 0);
else
js_newregexp(J, js_tostring(J, 1), 0);
re = js_toregexp(J, -1);
if (!(re->flags & JS_REGEXP_G)) {
js_RegExp_prototype_exec(J, re, text);
return;
}
re->last = 0;
js_newarray(J);
len = 0;
a = text;
e = text + strlen(text);
while (a <= e) {
if (js_regexec(re->prog, a, &m, a > text ? REG_NOTBOL : 0))
break;
b = m.sub[0].sp;
c = m.sub[0].ep;
js_pushlstring(J, b, c - b);
js_setindex(J, -2, len++);
a = c;
if (c - b == 0)
++a;
}
if (len == 0) {
js_pop(J, 1);
js_pushnull(J);
}
} | 0 | C | CWE-674 | Uncontrolled Recursion | The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack. | https://cwe.mitre.org/data/definitions/674.html | vulnerable |
static void __iov_iter_advance_iov(struct iov_iter *i, size_t bytes)
{
if (likely(i->nr_segs == 1)) {
i->iov_offset += bytes;
} else {
const struct iovec *iov = i->iov;
size_t base = i->iov_offset;
while (bytes) {
int copy = min(bytes, iov->iov_len - base);
bytes -= copy;
base += copy;
if (iov->iov_len == base) {
iov++;
base = 0;
}
}
i->iov = iov;
i->iov_offset = base;
}
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_cipher rcipher;
snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
rcipher.blocksize = alg->cra_blocksize;
rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
if (nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
sizeof(struct crypto_report_cipher), &rcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 0 | C | CWE-310 | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | vulnerable |
static int hci_sock_getname(struct socket *sock, struct sockaddr *addr,
int *addr_len, int peer)
{
struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr;
struct sock *sk = sock->sk;
struct hci_dev *hdev = hci_pi(sk)->hdev;
BT_DBG("sock %p sk %p", sock, sk);
if (!hdev)
return -EBADFD;
lock_sock(sk);
*addr_len = sizeof(*haddr);
haddr->hci_family = AF_BLUETOOTH;
haddr->hci_dev = hdev->id;
haddr->hci_channel= 0;
release_sock(sk);
return 0;
} | 1 | C | CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | https://cwe.mitre.org/data/definitions/200.html | safe |
horizontalDifferenceF(float *ip, int n, int stride, uint16 *wp, uint16 *FromLT2)
{
int32 r1, g1, b1, a1, r2, g2, b2, a2, mask;
float fltsize = Fltsize;
#define CLAMP(v) ( (v<(float)0.) ? 0 \
: (v<(float)2.) ? FromLT2[(int)(v*fltsize)] \
: (v>(float)24.2) ? 2047 \
: LogK1*log(v*LogK2) + 0.5 )
mask = CODE_MASK;
if (n >= stride) {
if (stride == 3) {
r2 = wp[0] = (uint16) CLAMP(ip[0]);
g2 = wp[1] = (uint16) CLAMP(ip[1]);
b2 = wp[2] = (uint16) CLAMP(ip[2]);
n -= 3;
while (n > 0) {
n -= 3;
wp += 3;
ip += 3;
r1 = (int32) CLAMP(ip[0]); wp[0] = (uint16)((r1-r2) & mask); r2 = r1;
g1 = (int32) CLAMP(ip[1]); wp[1] = (uint16)((g1-g2) & mask); g2 = g1;
b1 = (int32) CLAMP(ip[2]); wp[2] = (uint16)((b1-b2) & mask); b2 = b1;
}
} else if (stride == 4) {
r2 = wp[0] = (uint16) CLAMP(ip[0]);
g2 = wp[1] = (uint16) CLAMP(ip[1]);
b2 = wp[2] = (uint16) CLAMP(ip[2]);
a2 = wp[3] = (uint16) CLAMP(ip[3]);
n -= 4;
while (n > 0) {
n -= 4;
wp += 4;
ip += 4;
r1 = (int32) CLAMP(ip[0]); wp[0] = (uint16)((r1-r2) & mask); r2 = r1;
g1 = (int32) CLAMP(ip[1]); wp[1] = (uint16)((g1-g2) & mask); g2 = g1;
b1 = (int32) CLAMP(ip[2]); wp[2] = (uint16)((b1-b2) & mask); b2 = b1;
a1 = (int32) CLAMP(ip[3]); wp[3] = (uint16)((a1-a2) & mask); a2 = a1;
}
} else {
REPEAT(stride, wp[0] = (uint16) CLAMP(ip[0]); wp++; ip++)
n -= stride;
while (n > 0) {
REPEAT(stride,
wp[0] = (uint16)(((int32)CLAMP(ip[0])-(int32)CLAMP(ip[-stride])) & mask);
wp++; ip++)
n -= stride;
}
}
}
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
DECLAREcpFunc(cpDecodedStrips)
{
tsize_t stripsize = TIFFStripSize(in);
tdata_t buf = _TIFFmalloc(stripsize);
(void) imagewidth; (void) spp;
if (buf) {
tstrip_t s, ns = TIFFNumberOfStrips(in);
uint32 row = 0;
_TIFFmemset(buf, 0, stripsize);
for (s = 0; s < ns; s++) {
tsize_t cc = (row + rowsperstrip > imagelength) ?
TIFFVStripSize(in, imagelength - row) : stripsize;
if (TIFFReadEncodedStrip(in, s, buf, cc) < 0
&& !ignore) {
TIFFError(TIFFFileName(in),
"Error, can't read strip %lu",
(unsigned long) s);
goto bad;
}
if (TIFFWriteEncodedStrip(out, s, buf, cc) < 0) {
TIFFError(TIFFFileName(out),
"Error, can't write strip %lu",
(unsigned long) s);
goto bad;
}
row += rowsperstrip;
}
_TIFFfree(buf);
return 1;
} else {
TIFFError(TIFFFileName(in),
"Error, can't allocate memory buffer of size %lu "
"to read strips", (unsigned long) stripsize);
return 0;
}
bad:
_TIFFfree(buf);
return 0;
} | 0 | C | CWE-191 | Integer Underflow (Wrap or Wraparound) | The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. | https://cwe.mitre.org/data/definitions/191.html | vulnerable |
mcs_recv_connect_response(STREAM mcs_data)
{
UNUSED(mcs_data);
uint8 result;
int length;
STREAM s;
RD_BOOL is_fastpath;
uint8 fastpath_hdr;
logger(Protocol, Debug, "%s()", __func__);
s = iso_recv(&is_fastpath, &fastpath_hdr);
if (s == NULL)
return False;
ber_parse_header(s, MCS_CONNECT_RESPONSE, &length);
ber_parse_header(s, BER_TAG_RESULT, &length);
in_uint8(s, result);
if (result != 0)
{
logger(Protocol, Error, "mcs_recv_connect_response(), result=%d", result);
return False;
}
ber_parse_header(s, BER_TAG_INTEGER, &length);
in_uint8s(s, length); /* connect id */
mcs_parse_domain_params(s);
ber_parse_header(s, BER_TAG_OCTET_STRING, &length);
sec_process_mcs_data(s);
/*
if (length > mcs_data->size)
{
logger(Protocol, Error, "mcs_recv_connect_response(), expected length=%d, got %d",length, mcs_data->size);
length = mcs_data->size;
}
in_uint8a(s, mcs_data->data, length);
mcs_data->p = mcs_data->data;
mcs_data->end = mcs_data->data + length;
*/
return s_check_end(s);
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
void test_chroot(const char *path)
{
if (chroot(path) == 0) {
fprintf(stderr, "leak at chroot of %s\n", path);
exit(1);
}
if (errno != ENOENT && errno != ENOSYS) {
fprintf(stderr, "leak at chroot of %s: errno was %s\n", path, strerror(errno));
exit(1);
}
} | 1 | C | CWE-264 | Permissions, Privileges, and Access Controls | Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control. | https://cwe.mitre.org/data/definitions/264.html | safe |
rfc2253_name(X509_NAME *name, char **str_out)
{
BIO *b = NULL;
char *str;
*str_out = NULL;
b = BIO_new(BIO_s_mem());
if (b == NULL)
return ENOMEM;
if (X509_NAME_print_ex(b, name, 0, XN_FLAG_SEP_COMMA_PLUS) < 0)
goto error;
str = calloc(BIO_number_written(b) + 1, 1);
if (str == NULL)
goto error;
BIO_read(b, str, BIO_number_written(b));
BIO_free(b);
*str_out = str;
return 0;
error:
BIO_free(b);
return ENOMEM;
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
static int is_integer(char *string)
{
if (isdigit((unsigned char) string[0]) || string[0] == '-' || string[0] == '+') {
while (*++string && isdigit((unsigned char) *string))
; /* deliberately empty */
if (!*string)
return 1;
}
return 0;
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct ipx_sock *ipxs = ipx_sk(sk);
struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)msg->msg_name;
struct ipxhdr *ipx = NULL;
struct sk_buff *skb;
int copied, rc;
lock_sock(sk);
/* put the autobinding in */
if (!ipxs->port) {
struct sockaddr_ipx uaddr;
uaddr.sipx_port = 0;
uaddr.sipx_network = 0;
#ifdef CONFIG_IPX_INTERN
rc = -ENETDOWN;
if (!ipxs->intrfc)
goto out; /* Someone zonked the iface */
memcpy(uaddr.sipx_node, ipxs->intrfc->if_node, IPX_NODE_LEN);
#endif /* CONFIG_IPX_INTERN */
rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
sizeof(struct sockaddr_ipx));
if (rc)
goto out;
}
rc = -ENOTCONN;
if (sock_flag(sk, SOCK_ZAPPED))
goto out;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &rc);
if (!skb)
goto out;
ipx = ipx_hdr(skb);
copied = ntohs(ipx->ipx_pktsize) - sizeof(struct ipxhdr);
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
rc = skb_copy_datagram_iovec(skb, sizeof(struct ipxhdr), msg->msg_iov,
copied);
if (rc)
goto out_free;
if (skb->tstamp.tv64)
sk->sk_stamp = skb->tstamp;
msg->msg_namelen = sizeof(*sipx);
if (sipx) {
sipx->sipx_family = AF_IPX;
sipx->sipx_port = ipx->ipx_source.sock;
memcpy(sipx->sipx_node, ipx->ipx_source.node, IPX_NODE_LEN);
sipx->sipx_network = IPX_SKB_CB(skb)->ipx_source_net;
sipx->sipx_type = ipx->ipx_type;
sipx->sipx_zero = 0;
}
rc = copied;
out_free:
skb_free_datagram(sk, skb);
out:
release_sock(sk);
return rc;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
mcs_recv_connect_response(STREAM mcs_data)
{
UNUSED(mcs_data);
uint8 result;
int length;
STREAM s;
RD_BOOL is_fastpath;
uint8 fastpath_hdr;
logger(Protocol, Debug, "%s()", __func__);
s = iso_recv(&is_fastpath, &fastpath_hdr);
if (s == NULL)
return False;
ber_parse_header(s, MCS_CONNECT_RESPONSE, &length);
ber_parse_header(s, BER_TAG_RESULT, &length);
in_uint8(s, result);
if (result != 0)
{
logger(Protocol, Error, "mcs_recv_connect_response(), result=%d", result);
return False;
}
ber_parse_header(s, BER_TAG_INTEGER, &length);
in_uint8s(s, length); /* connect id */
mcs_parse_domain_params(s);
ber_parse_header(s, BER_TAG_OCTET_STRING, &length);
sec_process_mcs_data(s);
/*
if (length > mcs_data->size)
{
logger(Protocol, Error, "mcs_recv_connect_response(), expected length=%d, got %d",length, mcs_data->size);
length = mcs_data->size;
}
in_uint8a(s, mcs_data->data, length);
mcs_data->p = mcs_data->data;
mcs_data->end = mcs_data->data + length;
*/
return s_check_end(s);
} | 0 | C | CWE-191 | Integer Underflow (Wrap or Wraparound) | The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. | https://cwe.mitre.org/data/definitions/191.html | vulnerable |
static int muscle_list_files(sc_card_t *card, u8 *buf, size_t bufLen)
{
muscle_private_t* priv = MUSCLE_DATA(card);
mscfs_t *fs = priv->fs;
int x;
int count = 0;
mscfs_check_cache(priv->fs);
for(x = 0; x < fs->cache.size; x++) {
u8* oid = fs->cache.array[x].objectId.id;
if (bufLen < 2)
break;
sc_debug(card->ctx, SC_LOG_DEBUG_NORMAL,
"FILE: %02X%02X%02X%02X\n",
oid[0],oid[1],oid[2],oid[3]);
if(0 == memcmp(fs->currentPath, oid, 2)) {
buf[0] = oid[2];
buf[1] = oid[3];
if(buf[0] == 0x00 && buf[1] == 0x00) continue; /* No directories/null names outside of root */
buf += 2;
count += 2;
bufLen -= 2;
}
}
return count;
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
u8 *tail;
int nfrags;
int esph_offset;
struct page *page;
struct sk_buff *trailer;
int tailen = esp->tailen;
unsigned int allocsz;
if (x->encap) {
int err = esp6_output_encap(x, skb, esp);
if (err < 0)
return err;
}
allocsz = ALIGN(skb->data_len + tailen, L1_CACHE_BYTES);
if (allocsz > ESP_SKB_FRAG_MAXSIZE)
goto cow;
if (!skb_cloned(skb)) {
if (tailen <= skb_tailroom(skb)) {
nfrags = 1;
trailer = skb;
tail = skb_tail_pointer(trailer);
goto skip_cow;
} else if ((skb_shinfo(skb)->nr_frags < MAX_SKB_FRAGS)
&& !skb_has_frag_list(skb)) {
int allocsize;
struct sock *sk = skb->sk;
struct page_frag *pfrag = &x->xfrag;
esp->inplace = false;
allocsize = ALIGN(tailen, L1_CACHE_BYTES);
spin_lock_bh(&x->lock);
if (unlikely(!skb_page_frag_refill(allocsize, pfrag, GFP_ATOMIC))) {
spin_unlock_bh(&x->lock);
goto cow;
}
page = pfrag->page;
get_page(page);
tail = page_address(page) + pfrag->offset;
esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);
nfrags = skb_shinfo(skb)->nr_frags;
__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
tailen);
skb_shinfo(skb)->nr_frags = ++nfrags;
pfrag->offset = pfrag->offset + allocsize;
spin_unlock_bh(&x->lock);
nfrags++;
skb->len += tailen;
skb->data_len += tailen;
skb->truesize += tailen;
if (sk && sk_fullsock(sk))
refcount_add(tailen, &sk->sk_wmem_alloc);
goto out;
}
}
cow:
esph_offset = (unsigned char *)esp->esph - skb_transport_header(skb);
nfrags = skb_cow_data(skb, tailen, &trailer);
if (nfrags < 0)
goto out;
tail = skb_tail_pointer(trailer);
esp->esph = (struct ip_esp_hdr *)(skb_transport_header(skb) + esph_offset);
skip_cow:
esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);
pskb_put(skb, trailer, tailen);
out:
return nfrags;
} | 1 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | safe |
static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead");
snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv);
raead.blocksize = alg->cra_blocksize;
raead.maxauthsize = aead->maxauthsize;
raead.ivsize = aead->ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
sizeof(struct crypto_report_aead), &raead))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 0 | C | CWE-310 | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | vulnerable |
static bool parse_reconnect(struct pool *pool, json_t *val)
{
char *sockaddr_url, *stratum_port, *tmp;
char *url, *port, address[256];
memset(address, 0, 255);
url = (char *)json_string_value(json_array_get(val, 0));
if (!url)
url = pool->sockaddr_url;
else {
char *dot_pool, *dot_reconnect;
dot_pool = strchr(pool->sockaddr_url, '.');
if (!dot_pool) {
applog(LOG_ERR, "Denied stratum reconnect request for pool without domain '%s'",
pool->sockaddr_url);
return false;
}
dot_reconnect = strchr(url, '.');
if (!dot_reconnect) {
applog(LOG_ERR, "Denied stratum reconnect request to url without domain '%s'",
url);
return false;
}
if (strcmp(dot_pool, dot_reconnect)) {
applog(LOG_ERR, "Denied stratum reconnect request to non-matching domain url '%s'",
pool->sockaddr_url);
return false;
}
}
port = (char *)json_string_value(json_array_get(val, 1));
if (!port)
port = pool->stratum_port;
sprintf(address, "%s:%s", url, port);
if (!extract_sockaddr(address, &sockaddr_url, &stratum_port))
return false;
applog(LOG_WARNING, "Stratum reconnect requested from pool %d to %s", pool->pool_no, address);
clear_pool_work(pool);
mutex_lock(&pool->stratum_lock);
__suspend_stratum(pool);
tmp = pool->sockaddr_url;
pool->sockaddr_url = sockaddr_url;
pool->stratum_url = pool->sockaddr_url;
free(tmp);
tmp = pool->stratum_port;
pool->stratum_port = stratum_port;
free(tmp);
mutex_unlock(&pool->stratum_lock);
if (!restart_stratum(pool)) {
pool_failed(pool);
return false;
}
return true;
} | 0 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | vulnerable |
static int evtchn_fifo_percpu_deinit(unsigned int cpu)
{
__evtchn_fifo_handle_events(cpu, NULL);
return 0;
} | 1 | C | NVD-CWE-noinfo | null | null | null | safe |
static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
size_t size, int flags)
{
struct sock *sk = sock->sk;
struct ddpehdr *ddp;
int copied = 0;
int offset = 0;
int err = 0;
struct sk_buff *skb;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &err);
lock_sock(sk);
if (!skb)
goto out;
/* FIXME: use skb->cb to be able to use shared skbs */
ddp = ddp_hdr(skb);
copied = ntohs(ddp->deh_len_hops) & 1023;
if (sk->sk_type != SOCK_RAW) {
offset = sizeof(*ddp);
copied -= offset;
}
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
err = skb_copy_datagram_iovec(skb, offset, msg->msg_iov, copied);
if (!err && msg->msg_name) {
struct sockaddr_at *sat = msg->msg_name;
sat->sat_family = AF_APPLETALK;
sat->sat_port = ddp->deh_sport;
sat->sat_addr.s_node = ddp->deh_snode;
sat->sat_addr.s_net = ddp->deh_snet;
msg->msg_namelen = sizeof(*sat);
}
skb_free_datagram(sk, skb); /* Free the datagram. */
out:
release_sock(sk);
return err ? : copied;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
TfLiteIntArray* TfLiteIntArrayCreate(int size) {
int alloc_size = TfLiteIntArrayGetSizeInBytes(size);
if (alloc_size <= 0) return NULL;
TfLiteIntArray* ret = (TfLiteIntArray*)malloc(alloc_size);
if (!ret) return ret;
ret->size = size;
return ret;
} | 0 | C | CWE-190 | Integer Overflow or Wraparound | The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. | https://cwe.mitre.org/data/definitions/190.html | vulnerable |
R_API int r_socket_read(RSocket *s, unsigned char *buf, int len) {
if (!s) {
return -1;
}
#if HAVE_LIB_SSL
if (s->is_ssl) {
if (s->bio) {
return BIO_read (s->bio, buf, len);
}
return SSL_read (s->sfd, buf, len);
}
#endif
#if __WINDOWS__
rep:
{
int ret = recv (s->fd, (void *)buf, len, 0);
if (ret == -1) {
goto rep;
}
return ret;
}
#else
// int r = read (s->fd, buf, len);
int r = recv (s->fd, buf, len, 0);
D { eprintf ("READ "); int i; for (i = 0; i<len; i++) { eprintf ("%02x ", buf[i]); } eprintf ("\n"); }
return r;
#endif
} | 0 | C | CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. | https://cwe.mitre.org/data/definitions/78.html | vulnerable |
static inline int memcmp_P(const void *a1, const void *b1, size_t len) {
const uint8_t* a = (const uint8_t*)(a1);
uint8_t* b = (uint8_t*)(b1);
for (size_t i=0; i<len; i++) {
uint8_t d = pgm_read_byte(a) - pgm_read_byte(b);
if (d) return d;
a++;
b++;
}
return 0;
} | 1 | C | CWE-347 | Improper Verification of Cryptographic Signature | The software does not verify, or incorrectly verifies, the cryptographic signature for data. | https://cwe.mitre.org/data/definitions/347.html | safe |
horDiff16(TIFF* tif, uint8* cp0, tmsize_t cc)
{
TIFFPredictorState* sp = PredictorState(tif);
tmsize_t stride = sp->stride;
uint16 *wp = (uint16*) cp0;
tmsize_t wc = cc/2;
if((cc%(2*stride))!=0)
{
TIFFErrorExt(tif->tif_clientdata, "horDiff8",
"%s", "(cc%(2*stride))!=0");
return 0;
}
if (wc > stride) {
wc -= stride;
wp += wc - 1;
do {
REPEAT4(stride, wp[stride] = (uint16)(((unsigned int)wp[stride] - (unsigned int)wp[0]) & 0xffff); wp--)
wc -= stride;
} while (wc > 0);
}
return 1;
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask)
{
switch (mode) {
case L2CAP_MODE_STREAMING:
case L2CAP_MODE_ERTM:
if (l2cap_mode_supported(mode, remote_feat_mask))
return mode;
/* fall through */
default:
return L2CAP_MODE_BASIC;
}
} | 1 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | safe |
PHP_FUNCTION(curl_unescape)
{
char *str = NULL, *out = NULL;
size_t str_len = 0;
int out_len;
zval *zid;
php_curl *ch;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &zid, &str, &str_len) == FAILURE) {
return;
}
if ((ch = (php_curl*)zend_fetch_resource(Z_RES_P(zid), le_curl_name, le_curl)) == NULL) {
RETURN_FALSE;
}
if (str_len > INT_MAX) {
RETURN_FALSE;
}
if ((out = curl_easy_unescape(ch->cp, str, str_len, &out_len))) {
RETVAL_STRINGL(out, out_len);
curl_free(out);
} else {
RETURN_FALSE;
}
} | 0 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | vulnerable |
ber_parse_header(STREAM s, int tagval, int *length)
{
int tag, len;
if (tagval > 0xff)
{
in_uint16_be(s, tag);
}
else
{
in_uint8(s, tag);
}
if (tag != tagval)
{
logger(Core, Error, "ber_parse_header(), expected tag %d, got %d", tagval, tag);
return False;
}
in_uint8(s, len);
if (len & 0x80)
{
len &= ~0x80;
*length = 0;
while (len--)
next_be(s, *length);
}
else
*length = len;
return s_check(s);
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
PUBLIC void httpSetParam(HttpConn *conn, cchar *var, cchar *value)
{
mprWriteJson(httpGetParams(conn), var, value);
} | 1 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | safe |
struct crypto_template *crypto_lookup_template(const char *name)
{
return try_then_request_module(__crypto_lookup_template(name),
"crypto-%s", name);
} | 1 | C | CWE-269 | Improper Privilege Management | The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. | https://cwe.mitre.org/data/definitions/269.html | safe |
pci_lintr_assert(struct pci_vdev *dev)
{
assert(dev->lintr.pin > 0);
pthread_mutex_lock(&dev->lintr.lock);
if (dev->lintr.state == IDLE) {
if (pci_lintr_permitted(dev)) {
dev->lintr.state = ASSERTED;
pci_irq_assert(dev);
} else
dev->lintr.state = PENDING;
}
pthread_mutex_unlock(&dev->lintr.lock);
} | 0 | C | CWE-617 | Reachable Assertion | The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. | https://cwe.mitre.org/data/definitions/617.html | vulnerable |
void ZydisFormatterBufferInit(ZydisFormatterBuffer* buffer, char* user_buffer,
ZyanUSize length)
{
ZYAN_ASSERT(buffer);
ZYAN_ASSERT(user_buffer);
ZYAN_ASSERT(length);
buffer->is_token_list = ZYAN_FALSE;
buffer->string.flags = ZYAN_STRING_HAS_FIXED_CAPACITY;
buffer->string.vector.allocator = ZYAN_NULL;
buffer->string.vector.element_size = sizeof(char);
buffer->string.vector.size = 1;
buffer->string.vector.capacity = length;
buffer->string.vector.data = user_buffer;
*user_buffer = '\0';
} | 0 | C | CWE-457 | Use of Uninitialized Variable | The code uses a variable that has not been initialized, leading to unpredictable or unintended results. | https://cwe.mitre.org/data/definitions/457.html | vulnerable |
static void perf_event_mmap_output(struct perf_event *event,
struct perf_mmap_event *mmap_event)
{
struct perf_output_handle handle;
struct perf_sample_data sample;
int size = mmap_event->event_id.header.size;
int ret;
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
mmap_event->event_id.header.size, 0);
if (ret)
goto out;
mmap_event->event_id.pid = perf_event_pid(event, current);
mmap_event->event_id.tid = perf_event_tid(event, current);
perf_output_put(&handle, mmap_event->event_id);
__output_copy(&handle, mmap_event->file_name,
mmap_event->file_size);
perf_event__output_id_sample(event, &handle, &sample);
perf_output_end(&handle);
out:
mmap_event->event_id.header.size = size;
} | 1 | C | CWE-400 | Uncontrolled Resource Consumption | The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. | https://cwe.mitre.org/data/definitions/400.html | safe |
static int dns_resolver_match_preparse(struct key_match_data *match_data)
{
match_data->lookup_type = KEYRING_SEARCH_LOOKUP_ITERATE;
match_data->cmp = dns_resolver_cmp;
return 0;
} | 1 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | safe |
BuildTestPacket(uint8_t proto, uint16_t id, uint16_t off, int mf,
const char content, int content_len)
{
Packet *p = NULL;
int hlen = 20;
int ttl = 64;
uint8_t *pcontent;
IPV4Hdr ip4h;
p = SCCalloc(1, sizeof(*p) + default_packet_size);
if (unlikely(p == NULL))
return NULL;
PACKET_INITIALIZE(p);
gettimeofday(&p->ts, NULL);
//p->ip4h = (IPV4Hdr *)GET_PKT_DATA(p);
ip4h.ip_verhl = 4 << 4;
ip4h.ip_verhl |= hlen >> 2;
ip4h.ip_len = htons(hlen + content_len);
ip4h.ip_id = htons(id);
ip4h.ip_off = htons(off);
if (mf)
ip4h.ip_off = htons(IP_MF | off);
else
ip4h.ip_off = htons(off);
ip4h.ip_ttl = ttl;
ip4h.ip_proto = proto;
ip4h.s_ip_src.s_addr = 0x01010101; /* 1.1.1.1 */
ip4h.s_ip_dst.s_addr = 0x02020202; /* 2.2.2.2 */
/* copy content_len crap, we need full length */
PacketCopyData(p, (uint8_t *)&ip4h, sizeof(ip4h));
p->ip4h = (IPV4Hdr *)GET_PKT_DATA(p);
SET_IPV4_SRC_ADDR(p, &p->src);
SET_IPV4_DST_ADDR(p, &p->dst);
pcontent = SCCalloc(1, content_len);
if (unlikely(pcontent == NULL))
return NULL;
memset(pcontent, content, content_len);
PacketCopyDataOffset(p, hlen, pcontent, content_len);
SET_PKT_LEN(p, hlen + content_len);
SCFree(pcontent);
p->ip4h->ip_csum = IPV4CalculateChecksum((uint16_t *)GET_PKT_DATA(p), hlen);
/* Self test. */
if (IPV4_GET_VER(p) != 4)
goto error;
if (IPV4_GET_HLEN(p) != hlen)
goto error;
if (IPV4_GET_IPLEN(p) != hlen + content_len)
goto error;
if (IPV4_GET_IPID(p) != id)
goto error;
if (IPV4_GET_IPOFFSET(p) != off)
goto error;
if (IPV4_GET_MF(p) != mf)
goto error;
if (IPV4_GET_IPTTL(p) != ttl)
goto error;
if (IPV4_GET_IPPROTO(p) != proto)
goto error;
return p;
error:
if (p != NULL)
SCFree(p);
return NULL;
} | 1 | C | CWE-358 | Improperly Implemented Security Check for Standard | The software does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. | https://cwe.mitre.org/data/definitions/358.html | safe |
smb_com_flush(smb_request_t *sr)
{
smb_ofile_t *file;
smb_llist_t *flist;
int rc;
if (smb_flush_required == 0) {
rc = smbsr_encode_empty_result(sr);
return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
}
if (sr->smb_fid != 0xffff) {
smbsr_lookup_file(sr);
if (sr->fid_ofile == NULL) {
smbsr_error(sr, NT_STATUS_INVALID_HANDLE,
ERRDOS, ERRbadfid);
return (SDRC_ERROR);
}
smb_ofile_flush(sr, sr->fid_ofile);
} else {
flist = &sr->tid_tree->t_ofile_list;
smb_llist_enter(flist, RW_READER);
file = smb_llist_head(flist);
while (file) {
mutex_enter(&file->f_mutex);
smb_ofile_flush(sr, file);
mutex_exit(&file->f_mutex);
file = smb_llist_next(flist, file);
}
smb_llist_exit(flist);
}
rc = smbsr_encode_empty_result(sr);
return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
} | 1 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | safe |
static int ceph_x_decrypt(struct ceph_crypto_key *secret,
void **p, void *end, void *obuf, size_t olen)
{
struct ceph_x_encrypt_header head;
size_t head_len = sizeof(head);
int len, ret;
len = ceph_decode_32(p);
if (*p + len > end)
return -EINVAL;
dout("ceph_x_decrypt len %d\n", len);
ret = ceph_decrypt2(secret, &head, &head_len, obuf, &olen,
*p, len);
if (ret)
return ret;
if (head.struct_v != 1 || le64_to_cpu(head.magic) != CEPHX_ENC_MAGIC)
return -EPERM;
*p += len;
return olen;
} | 0 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | vulnerable |
void *ndpGetOption(uint8_t *options, size_t length, uint8_t type)
{
size_t i;
NdpOption *option;
//Point to the very first option of the NDP message
i = 0;
//Parse options
while((i + sizeof(NdpOption)) <= length)
{
//Point to the current option
option = (NdpOption *) (options + i);
//Nodes must silently discard an NDP message that contains
//an option with length zero
if(option->length == 0)
break;
//Check option length
if((i + option->length * 8) > length)
break;
//Current option type matches the specified one?
if(option->type == type || type == NDP_OPT_ANY)
return option;
//Jump to next the next option
i += option->length * 8;
}
//Specified option type not found
return NULL;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
static int sclp_ctl_ioctl_sccb(void __user *user_area)
{
struct sclp_ctl_sccb ctl_sccb;
struct sccb_header *sccb;
int rc;
if (copy_from_user(&ctl_sccb, user_area, sizeof(ctl_sccb)))
return -EFAULT;
if (!sclp_ctl_cmdw_supported(ctl_sccb.cmdw))
return -EOPNOTSUPP;
sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!sccb)
return -ENOMEM;
if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sizeof(*sccb))) {
rc = -EFAULT;
goto out_free;
}
if (sccb->length > PAGE_SIZE || sccb->length < 8)
return -EINVAL;
if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sccb->length)) {
rc = -EFAULT;
goto out_free;
}
rc = sclp_sync_request(ctl_sccb.cmdw, sccb);
if (rc)
goto out_free;
if (copy_to_user(u64_to_uptr(ctl_sccb.sccb), sccb, sccb->length))
rc = -EFAULT;
out_free:
free_page((unsigned long) sccb);
return rc;
} | 0 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | vulnerable |
convert_to_decimal (mpn_t a, size_t extra_zeroes)
{
mp_limb_t *a_ptr = a.limbs;
size_t a_len = a.nlimbs;
/* 0.03345 is slightly larger than log(2)/(9*log(10)). */
size_t c_len = 9 * ((size_t)(a_len * (GMP_LIMB_BITS * 0.03345f)) + 1);
char *c_ptr = (char *) malloc (xsum (c_len, extra_zeroes));
if (c_ptr != NULL)
{
char *d_ptr = c_ptr;
for (; extra_zeroes > 0; extra_zeroes--)
*d_ptr++ = '0';
while (a_len > 0)
{
/* Divide a by 10^9, in-place. */
mp_limb_t remainder = 0;
mp_limb_t *ptr = a_ptr + a_len;
size_t count;
for (count = a_len; count > 0; count--)
{
mp_twolimb_t num =
((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--ptr;
*ptr = num / 1000000000;
remainder = num % 1000000000;
}
/* Store the remainder as 9 decimal digits. */
for (count = 9; count > 0; count--)
{
*d_ptr++ = '0' + (remainder % 10);
remainder = remainder / 10;
}
/* Normalize a. */
if (a_ptr[a_len - 1] == 0)
a_len--;
}
/* Remove leading zeroes. */
while (d_ptr > c_ptr && d_ptr[-1] == '0')
d_ptr--;
/* But keep at least one zero. */
if (d_ptr == c_ptr)
*d_ptr++ = '0';
/* Terminate the string. */
*d_ptr = '\0';
}
return c_ptr;
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
void altivec_unavailable_exception(struct pt_regs *regs)
{
#if !defined(CONFIG_ALTIVEC)
if (user_mode(regs)) {
/* A user program has executed an altivec instruction,
but this kernel doesn't support altivec. */
_exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
return;
}
#endif
printk(KERN_EMERG "Unrecoverable VMX/Altivec Unavailable Exception "
"%lx at %lx\n", regs->trap, regs->nip);
die("Unrecoverable VMX/Altivec Unavailable Exception", regs, SIGABRT);
} | 0 | C | CWE-19 | Data Processing Errors | Weaknesses in this category are typically found in functionality that processes data. Data processing is the manipulation of input to retrieve or save information. | https://cwe.mitre.org/data/definitions/19.html | vulnerable |
swabHorAcc16(TIFF* tif, uint8* cp0, tmsize_t cc)
{
uint16* wp = (uint16*) cp0;
tmsize_t wc = cc / 2;
TIFFSwabArrayOfShort(wp, wc);
horAcc16(tif, cp0, cc);
} | 0 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | vulnerable |
psf_asciiheader_printf (SF_PRIVATE *psf, const char *format, ...)
{ va_list argptr ;
int maxlen ;
char *start ;
maxlen = strlen ((char*) psf->header) ;
start = ((char*) psf->header) + maxlen ;
maxlen = sizeof (psf->header) - maxlen ;
va_start (argptr, format) ;
vsnprintf (start, maxlen, format, argptr) ;
va_end (argptr) ;
/* Make sure the string is properly terminated. */
start [maxlen - 1] = 0 ;
psf->headindex = strlen ((char*) psf->header) ;
return ;
} /* psf_asciiheader_printf */ | 0 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | vulnerable |
GF_Err urn_Read(GF_Box *s, GF_BitStream *bs)
{
u32 i, to_read;
char *tmpName;
GF_DataEntryURNBox *ptr = (GF_DataEntryURNBox *)s;
if (! ptr->size ) return GF_OK;
//here we have to handle that in a clever way
to_read = (u32) ptr->size;
tmpName = (char*)gf_malloc(sizeof(char) * to_read);
if (!tmpName) return GF_OUT_OF_MEM;
//get the data
gf_bs_read_data(bs, tmpName, to_read);
//then get the break
i = 0;
while ( (i < to_read) && (tmpName[i] != 0) ) {
i++;
}
//check the data is consistent
if (i == to_read) {
gf_free(tmpName);
return GF_ISOM_INVALID_FILE;
}
//no NULL char, URL is not specified
if (i == to_read - 1) {
ptr->nameURN = tmpName;
ptr->location = NULL;
return GF_OK;
}
//OK, this has both URN and URL
ptr->nameURN = (char*)gf_malloc(sizeof(char) * (i+1));
if (!ptr->nameURN) {
gf_free(tmpName);
return GF_OUT_OF_MEM;
}
ptr->location = (char*)gf_malloc(sizeof(char) * (to_read - i - 1));
if (!ptr->location) {
gf_free(tmpName);
gf_free(ptr->nameURN);
ptr->nameURN = NULL;
return GF_OUT_OF_MEM;
}
memcpy(ptr->nameURN, tmpName, i + 1);
memcpy(ptr->location, tmpName + i + 1, (to_read - i - 1));
gf_free(tmpName);
return GF_OK;
} | 1 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | safe |
PJ_DEF(pj_status_t) pjmedia_rtcp_fb_build_rpsi(
pjmedia_rtcp_session *session,
void *buf,
pj_size_t *length,
const pjmedia_rtcp_fb_rpsi *rpsi)
{
pjmedia_rtcp_common *hdr;
pj_uint8_t *p;
unsigned bitlen, padlen, len;
PJ_ASSERT_RETURN(session && buf && length && rpsi, PJ_EINVAL);
bitlen = (unsigned)rpsi->rpsi_bit_len + 16;
padlen = (32 - (bitlen % 32)) % 32;
len = (3 + (bitlen+padlen)/32) * 4;
if (len > *length)
return PJ_ETOOSMALL;
/* Build RTCP-FB RPSI header */
hdr = (pjmedia_rtcp_common*)buf;
pj_memcpy(hdr, &session->rtcp_rr_pkt.common, sizeof(*hdr));
hdr->pt = RTCP_PSFB;
hdr->count = 3; /* FMT = 3 */
hdr->length = pj_htons((pj_uint16_t)(len/4 - 1));
/* Build RTCP-FB RPSI FCI */
p = (pj_uint8_t*)hdr + sizeof(*hdr);
/* PB (number of padding bits) */
*p++ = (pj_uint8_t)padlen;
/* Payload type */
*p++ = rpsi->pt & 0x7F;
/* RPSI bit string */
pj_memcpy(p, rpsi->rpsi.ptr, rpsi->rpsi_bit_len/8);
p += rpsi->rpsi_bit_len/8;
if (rpsi->rpsi_bit_len % 8) {
*p++ = *(rpsi->rpsi.ptr + rpsi->rpsi_bit_len/8);
}
/* Zero padding */
if (padlen >= 8)
pj_bzero(p, padlen/8);
/* Finally */
*length = len;
return PJ_SUCCESS;
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
static bool parse_reconnect(struct pool *pool, json_t *val)
{
char *sockaddr_url, *stratum_port, *tmp;
char *url, *port, address[256];
memset(address, 0, 255);
url = (char *)json_string_value(json_array_get(val, 0));
if (!url)
url = pool->sockaddr_url;
else {
char *dot_pool, *dot_reconnect;
dot_pool = strchr(pool->sockaddr_url, '.');
if (!dot_pool) {
applog(LOG_ERR, "Denied stratum reconnect request for pool without domain '%s'",
pool->sockaddr_url);
return false;
}
dot_reconnect = strchr(url, '.');
if (!dot_reconnect) {
applog(LOG_ERR, "Denied stratum reconnect request to url without domain '%s'",
url);
return false;
}
if (strcmp(dot_pool, dot_reconnect)) {
applog(LOG_ERR, "Denied stratum reconnect request to non-matching domain url '%s'",
pool->sockaddr_url);
return false;
}
}
port = (char *)json_string_value(json_array_get(val, 1));
if (!port)
port = pool->stratum_port;
snprintf(address, 254, "%s:%s", url, port);
if (!extract_sockaddr(address, &sockaddr_url, &stratum_port))
return false;
applog(LOG_WARNING, "Stratum reconnect requested from pool %d to %s", pool->pool_no, address);
clear_pool_work(pool);
mutex_lock(&pool->stratum_lock);
__suspend_stratum(pool);
tmp = pool->sockaddr_url;
pool->sockaddr_url = sockaddr_url;
pool->stratum_url = pool->sockaddr_url;
free(tmp);
tmp = pool->stratum_port;
pool->stratum_port = stratum_port;
free(tmp);
mutex_unlock(&pool->stratum_lock);
if (!restart_stratum(pool)) {
pool_failed(pool);
return false;
}
return true;
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.