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void ntlm_populate_message_header(NTLM_MESSAGE_HEADER* header, UINT32 MessageType)
{
CopyMemory(header->Signature, NTLM_SIGNATURE, sizeof(NTLM_SIGNATURE));
header->MessageType = MessageType;
} | 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 |
psf_allocate (void)
{ SF_PRIVATE * psf ;
if ((psf = calloc (1, sizeof (SF_PRIVATE))) == NULL)
return NULL ;
if ((psf->header.ptr = calloc (1, INITAL_HEADER_SIZE)) == NULL)
{ free (psf) ;
return NULL ;
} ;
psf->header.len = INITAL_HEADER_SIZE ;
return psf ;
} /* psf_allocate */ | 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 |
_Unpickler_MemoPut(UnpicklerObject *self, Py_ssize_t idx, PyObject *value)
{
PyObject *old_item;
if (idx >= self->memo_size) {
if (_Unpickler_ResizeMemoList(self, idx * 2) < 0)
return -1;
assert(idx < self->memo_size);
}
Py_INCREF(value);
old_item = self->memo[idx];
self->memo[idx] = value;
if (old_item != NULL) {
Py_DECREF(old_item);
}
else {
self->memo_len++;
}
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 int cac_get_serial_nr_from_CUID(sc_card_t* card, sc_serial_number_t* serial)
{
cac_private_data_t * priv = CAC_DATA(card);
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_NORMAL);
if (card->serialnr.len) {
*serial = card->serialnr;
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_SUCCESS);
}
if (priv->cac_id_len) {
serial->len = MIN(priv->cac_id_len, SC_MAX_SERIALNR);
memcpy(serial->value, priv->cac_id, priv->cac_id_len);
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_SUCCESS);
}
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_FILE_NOT_FOUND);
} | 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 |
void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct perf_event_attr attr;
/*
* Disable the breakpoint request here since ptrace has defined a
* one-shot behaviour for breakpoint exceptions in PPC64.
* The SIGTRAP signal is generated automatically for us in do_dabr().
* We don't have to do anything about that here
*/
attr = bp->attr;
attr.disabled = true;
modify_user_hw_breakpoint(bp, &attr);
} | 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 |
dtls1_process_buffered_records(SSL *s)
{
pitem *item;
item = pqueue_peek(s->d1->unprocessed_rcds.q);
if (item)
{
/* Check if epoch is current. */
if (s->d1->unprocessed_rcds.epoch != s->d1->r_epoch)
return(1); /* Nothing to do. */
/* Process all the records. */
while (pqueue_peek(s->d1->unprocessed_rcds.q))
{
dtls1_get_unprocessed_record(s);
if ( ! dtls1_process_record(s))
return(0);
dtls1_buffer_record(s, &(s->d1->processed_rcds),
s->s3->rrec.seq_num);
}
}
/* sync epoch numbers once all the unprocessed records
* have been processed */
s->d1->processed_rcds.epoch = s->d1->r_epoch;
s->d1->unprocessed_rcds.epoch = s->d1->r_epoch + 1;
return(1);
} | 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 void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current;
int i;
for (i = 0; i < 4; i++)
if (breakinfo[i].enabled)
tsk->thread.debugreg6 |= (DR_TRAP0 << i);
} | 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 inline int process_numeric_entity(const char **buf, unsigned *code_point)
{
long code_l;
int hexadecimal = (**buf == 'x' || **buf == 'X'); /* TODO: XML apparently disallows "X" */
char *endptr;
if (hexadecimal && (**buf != '\0'))
(*buf)++;
/* strtol allows whitespace and other stuff in the beginning
* we're not interested */
if ((hexadecimal && !isxdigit(**buf)) ||
(!hexadecimal && !isdigit(**buf))) {
return FAILURE;
}
code_l = strtol(*buf, &endptr, hexadecimal ? 16 : 10);
/* we're guaranteed there were valid digits, so *endptr > buf */
*buf = endptr;
if (**buf != ';')
return FAILURE;
/* many more are invalid, but that depends on whether it's HTML
* (and which version) or XML. */
if (code_l > 0x10FFFFL)
return FAILURE;
if (code_point != NULL)
*code_point = (unsigned)code_l;
return SUCCESS;
} | 1 | 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 | safe |
static int cp2112_gpio_get_all(struct gpio_chip *chip)
{
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 *buf = dev->in_out_buffer;
unsigned long flags;
int ret;
spin_lock_irqsave(&dev->lock, flags);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf,
CP2112_GPIO_GET_LENGTH, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != CP2112_GPIO_GET_LENGTH) {
hid_err(hdev, "error requesting GPIO values: %d\n", ret);
ret = ret < 0 ? ret : -EIO;
goto exit;
}
ret = buf[1];
exit:
spin_unlock_irqrestore(&dev->lock, flags);
return ret;
} | 0 | C | CWE-404 | Improper Resource Shutdown or Release | The program does not release or incorrectly releases a resource before it is made available for re-use. | https://cwe.mitre.org/data/definitions/404.html | vulnerable |
ssh_packet_set_postauth(struct ssh *ssh)
{
struct sshcomp *comp;
int r, mode;
debug("%s: called", __func__);
/* This was set in net child, but is not visible in user child */
ssh->state->after_authentication = 1;
ssh->state->rekeying = 0;
for (mode = 0; mode < MODE_MAX; mode++) {
if (ssh->state->newkeys[mode] == NULL)
continue;
comp = &ssh->state->newkeys[mode]->comp;
if (comp && comp->enabled &&
(r = ssh_packet_init_compression(ssh)) != 0)
return r;
}
return 0;
} | 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 |
pthread_mutex_lock(pthread_mutex_t *mutex)
{
EnterCriticalSection(mutex);
return 0;
} | 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 get_exif_tag_dbl_value(struct iw_exif_state *e, unsigned int tag_pos,
double *pv)
{
unsigned int field_type;
unsigned int value_count;
unsigned int value_pos;
unsigned int numer, denom;
field_type = iw_get_ui16_e(&e->d[tag_pos+2],e->endian);
value_count = iw_get_ui32_e(&e->d[tag_pos+4],e->endian);
if(value_count!=1) return 0;
if(field_type!=5) return 0; // 5=Rational (two uint32's)
// A rational is 8 bytes. Since 8>4, it is stored indirectly. First, read
// the location where it is stored.
value_pos = iw_get_ui32_e(&e->d[tag_pos+8],e->endian);
if(value_pos > e->d_len-8) return 0;
// Read the actual value.
numer = iw_get_ui32_e(&e->d[value_pos ],e->endian);
denom = iw_get_ui32_e(&e->d[value_pos+4],e->endian);
if(denom==0) return 0;
*pv = ((double)numer)/denom;
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 |
static MagickOffsetType TIFFSeekCustomStream(const MagickOffsetType offset,
const int whence,void *user_data)
{
PhotoshopProfile
*profile;
profile=(PhotoshopProfile *) user_data;
switch (whence)
{
case SEEK_SET:
default:
{
if (offset < 0)
return(-1);
profile->offset=offset;
break;
}
case SEEK_CUR:
{
if (((offset > 0) && (profile->offset > (SSIZE_MAX-offset))) ||
((offset < 0) && (profile->offset < (-SSIZE_MAX-offset))))
{
errno=EOVERFLOW;
return(-1);
}
if ((profile->offset+offset) < 0)
return(-1);
profile->offset+=offset;
break;
}
case SEEK_END:
{
if (((MagickOffsetType) profile->length+offset) < 0)
return(-1);
profile->offset=profile->length+offset;
break;
}
}
return(profile->offset);
} | 1 | 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 | safe |
static void parsePipelineFilters(HttpRoute *route, cchar *key, MprJson *prop)
{
MprJson *child;
cchar *name, *extensions;
int flags, ji;
for (ITERATE_CONFIG(route, prop, child, ji)) {
if (child->type & MPR_JSON_STRING) {
flags = HTTP_STAGE_RX | HTTP_STAGE_TX;
extensions = 0;
name = child->value;
} else {
name = mprReadJson(child, "name");
extensions = getList(mprReadJsonObj(child, "extensions"));
#if KEEP
direction = mprReadJson(child, "direction");
flags |= smatch(direction, "input") ? HTTP_STAGE_RX : 0;
flags |= smatch(direction, "output") ? HTTP_STAGE_TX : 0;
flags |= smatch(direction, "both") ? HTTP_STAGE_RX | HTTP_STAGE_TX : 0;
#else
flags = HTTP_STAGE_RX | HTTP_STAGE_TX;
#endif
}
if (httpAddRouteFilter(route, name, extensions, flags) < 0) {
httpParseError(route, "Cannot add filter %s", name);
break;
}
}
} | 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 |
rfbSetClientColourMapBGR233(rfbClientPtr cl)
{
char buf[sz_rfbSetColourMapEntriesMsg + 256 * 3 * 2];
rfbSetColourMapEntriesMsg *scme = (rfbSetColourMapEntriesMsg *)buf;
uint16_t *rgb = (uint16_t *)(&buf[sz_rfbSetColourMapEntriesMsg]);
int i, len;
int r, g, b;
if (cl->format.bitsPerPixel != 8 ) {
rfbErr("%s: client not 8 bits per pixel\n",
"rfbSetClientColourMapBGR233");
rfbCloseClient(cl);
return FALSE;
}
scme->type = rfbSetColourMapEntries;
scme->firstColour = Swap16IfLE(0);
scme->nColours = Swap16IfLE(256);
len = sz_rfbSetColourMapEntriesMsg;
i = 0;
for (b = 0; b < 4; b++) {
for (g = 0; g < 8; g++) {
for (r = 0; r < 8; r++) {
rgb[i++] = Swap16IfLE(r * 65535 / 7);
rgb[i++] = Swap16IfLE(g * 65535 / 7);
rgb[i++] = Swap16IfLE(b * 65535 / 3);
}
}
}
len += 256 * 3 * 2;
if (rfbWriteExact(cl, buf, len) < 0) {
rfbLogPerror("rfbSetClientColourMapBGR233: write");
rfbCloseClient(cl);
return FALSE;
}
return TRUE;
} | 0 | 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 | vulnerable |
jas_stream_t *jas_stream_memopen2(char *buf, size_t bufsize)
{
jas_stream_t *stream;
jas_stream_memobj_t *obj;
JAS_DBGLOG(100, ("jas_stream_memopen2(%p, %zu)\n", buf, bufsize));
assert((buf && bufsize > 0) || (!buf));
if (!(stream = jas_stream_create())) {
return 0;
}
/* A stream associated with a memory buffer is always opened
for both reading and writing in binary mode. */
stream->openmode_ = JAS_STREAM_READ | JAS_STREAM_WRITE | JAS_STREAM_BINARY;
/* Since the stream data is already resident in memory, buffering
is not necessary. */
/* But... It still may be faster to use buffering anyways. */
jas_stream_initbuf(stream, JAS_STREAM_FULLBUF, 0, 0);
/* Select the operations for a memory stream. */
stream->ops_ = &jas_stream_memops;
/* Allocate memory for the underlying memory stream object. */
if (!(obj = jas_malloc(sizeof(jas_stream_memobj_t)))) {
jas_stream_destroy(stream);
return 0;
}
stream->obj_ = (void *) obj;
/* Initialize a few important members of the memory stream object. */
obj->myalloc_ = 0;
obj->buf_ = 0;
/* If the buffer size specified is nonpositive, then the buffer
is allocated internally and automatically grown as needed. */
if (!bufsize) {
obj->bufsize_ = 1024;
obj->growable_ = 1;
} else {
obj->bufsize_ = bufsize;
obj->growable_ = 0;
}
if (buf) {
obj->buf_ = JAS_CAST(unsigned char *, buf);
} else {
obj->buf_ = jas_malloc(obj->bufsize_);
obj->myalloc_ = 1;
}
if (!obj->buf_) {
jas_stream_close(stream);
return 0;
}
JAS_DBGLOG(100, ("jas_stream_memopen2 buffer buf=%p myalloc=%d\n",
obj->buf_, obj->myalloc_));
if (bufsize > 0 && buf) {
/* If a buffer was supplied by the caller and its length is positive,
make the associated buffer data appear in the stream initially. */
obj->len_ = bufsize;
} else {
/* The stream is initially empty. */
obj->len_ = 0;
}
obj->pos_ = 0;
return stream;
} | 1 | 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 | safe |
BOOL transport_accept_nla(rdpTransport* transport)
{
freerdp* instance;
rdpSettings* settings;
if (transport->TlsIn == NULL)
transport->TlsIn = tls_new(transport->settings);
if (transport->TlsOut == NULL)
transport->TlsOut = transport->TlsIn;
transport->layer = TRANSPORT_LAYER_TLS;
transport->TlsIn->sockfd = transport->TcpIn->sockfd;
if (tls_accept(transport->TlsIn, transport->settings->CertificateFile, transport->settings->PrivateKeyFile) != TRUE)
return FALSE;
/* Network Level Authentication */
if (transport->settings->Authentication != TRUE)
return TRUE;
settings = transport->settings;
instance = (freerdp*) settings->instance;
if (transport->credssp == NULL)
transport->credssp = credssp_new(instance, transport, settings);
if (credssp_authenticate(transport->credssp) < 0)
{
fprintf(stderr, "client authentication failure\n");
credssp_free(transport->credssp);
transport->credssp = NULL;
return FALSE;
}
/* don't free credssp module yet, we need to copy the credentials from it first */
return TRUE;
} | 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 CURLcode imap_parse_url_path(struct connectdata *conn)
{
/* the imap struct is already inited in imap_connect() */
struct imap_conn *imapc = &conn->proto.imapc;
struct SessionHandle *data = conn->data;
const char *path = data->state.path;
if(!*path)
path = "INBOX";
/* url decode the path and use this mailbox */
return Curl_urldecode(data, path, 0, &imapc->mailbox, NULL, TRUE);
} | 1 | C | CWE-89 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. | https://cwe.mitre.org/data/definitions/89.html | safe |
parse_device(dev_t *pdev, struct archive *a, char *val)
{
#define MAX_PACK_ARGS 3
unsigned long numbers[MAX_PACK_ARGS];
char *p, *dev;
int argc;
pack_t *pack;
dev_t result;
const char *error = NULL;
memset(pdev, 0, sizeof(*pdev));
if ((dev = strchr(val, ',')) != NULL) {
/*
* Device's major/minor are given in a specified format.
* Decode and pack it accordingly.
*/
*dev++ = '\0';
if ((pack = pack_find(val)) == NULL) {
archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT,
"Unknown format `%s'", val);
return ARCHIVE_WARN;
}
argc = 0;
while ((p = la_strsep(&dev, ",")) != NULL) {
if (*p == '\0') {
archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT,
"Missing number");
return ARCHIVE_WARN;
}
if (argc >= MAX_PACK_ARGS) {
archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT,
"Too many arguments");
return ARCHIVE_WARN;
}
numbers[argc++] = (unsigned long)mtree_atol(&p);
}
if (argc < 2) {
archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT,
"Not enough arguments");
return ARCHIVE_WARN;
}
result = (*pack)(argc, numbers, &error);
if (error != NULL) {
archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT,
"%s", error);
return ARCHIVE_WARN;
}
} else {
/* file system raw value. */
result = (dev_t)mtree_atol(&val);
}
*pdev = result;
return ARCHIVE_OK;
#undef MAX_PACK_ARGS
} | 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 |
pipe_iov_copy_from_user(void *to, struct iovec *iov, unsigned long len,
int atomic)
{
unsigned long copy;
while (len > 0) {
while (!iov->iov_len)
iov++;
copy = min_t(unsigned long, len, iov->iov_len);
if (atomic) {
if (__copy_from_user_inatomic(to, iov->iov_base, copy))
return -EFAULT;
} else {
if (copy_from_user(to, iov->iov_base, copy))
return -EFAULT;
}
to += copy;
len -= copy;
iov->iov_base += copy;
iov->iov_len -= copy;
}
return 0;
} | 0 | C | CWE-17 | DEPRECATED: Code | This entry has been deprecated. It was originally used for organizing the Development View (CWE-699) and some other views, but it introduced unnecessary complexity and depth to the resulting tree. | https://cwe.mitre.org/data/definitions/17.html | vulnerable |
R_API RSocket *r_socket_accept_timeout(RSocket *s, unsigned int timeout) {
fd_set read_fds;
fd_set except_fds;
FD_ZERO (&read_fds);
FD_SET (s->fd, &read_fds);
FD_ZERO (&except_fds);
FD_SET (s->fd, &except_fds);
struct timeval t = {timeout, 0};
int r = select (s->fd + 1, &read_fds, NULL, &except_fds, &t);
if(r < 0) {
perror ("select");
} else if (r > 0 && FD_ISSET (s->fd, &read_fds)) {
return r_socket_accept (s);
}
return NULL;
} | 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 |
void xenvif_disconnect(struct xenvif *vif)
{
struct net_device *dev = vif->dev;
if (netif_carrier_ok(dev)) {
rtnl_lock();
netif_carrier_off(dev); /* discard queued packets */
if (netif_running(dev))
xenvif_down(vif);
rtnl_unlock();
xenvif_put(vif);
}
atomic_dec(&vif->refcnt);
wait_event(vif->waiting_to_free, atomic_read(&vif->refcnt) == 0);
del_timer_sync(&vif->credit_timeout);
if (vif->irq)
unbind_from_irqhandler(vif->irq, vif);
unregister_netdev(vif->dev);
xen_netbk_unmap_frontend_rings(vif);
free_netdev(vif->dev);
} | 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 void doGet(HttpRequest req, HttpResponse res) {
set_content_type(res, "text/html");
if (ACTION(HOME)) {
LOCK(Run.mutex)
do_home(res);
END_LOCK;
} else if (ACTION(RUNTIME)) {
handle_runtime(req, res);
} else if (ACTION(TEST)) {
is_monit_running(res);
} else if (ACTION(ABOUT)) {
do_about(res);
} else if (ACTION(FAVICON)) {
printFavicon(res);
} else if (ACTION(PING)) {
do_ping(res);
} else if (ACTION(GETID)) {
do_getid(res);
} else {
handle_service(req, res);
}
} | 1 | C | CWE-352 | Cross-Site Request Forgery (CSRF) | The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. | https://cwe.mitre.org/data/definitions/352.html | safe |
bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
struct bsg_device *bd = file->private_data;
ssize_t bytes_written;
int ret;
dprintk("%s: write %Zd bytes\n", bd->name, count);
if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
return -EINVAL;
bsg_set_block(bd, file);
bytes_written = 0;
ret = __bsg_write(bd, buf, count, &bytes_written,
file->f_mode & FMODE_WRITE);
*ppos = bytes_written;
/*
* return bytes written on non-fatal errors
*/
if (!bytes_written || err_block_err(ret))
bytes_written = ret;
dprintk("%s: returning %Zd\n", bd->name, bytes_written);
return bytes_written;
} | 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 zend_bool add_post_var(zval *arr, post_var_data_t *var, zend_bool eof)
{
char *start, *ksep, *vsep, *val;
size_t klen, vlen;
size_t new_vlen;
if (var->ptr >= var->end) {
return 0;
}
start = var->ptr + var->already_scanned;
vsep = memchr(start, '&', var->end - start);
if (!vsep) {
if (!eof) {
var->already_scanned = var->end - var->ptr;
return 0;
} else {
vsep = var->end;
}
}
ksep = memchr(var->ptr, '=', vsep - var->ptr);
if (ksep) {
*ksep = '\0';
/* "foo=bar&" or "foo=&" */
klen = ksep - var->ptr;
vlen = vsep - ++ksep;
} else {
ksep = "";
/* "foo&" */
klen = vsep - var->ptr;
vlen = 0;
}
php_url_decode(var->ptr, klen);
val = estrndup(ksep, vlen);
if (vlen) {
vlen = php_url_decode(val, vlen);
}
if (sapi_module.input_filter(PARSE_POST, var->ptr, &val, vlen, &new_vlen)) {
php_register_variable_safe(var->ptr, val, new_vlen, arr);
}
efree(val);
var->ptr = vsep + (vsep != var->end);
var->already_scanned = 0;
return 1;
} | 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 inline int ip6_ufo_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
void *from, int length, int hh_len, int fragheaderlen,
int transhdrlen, int mtu,unsigned int flags,
struct rt6_info *rt)
{
struct sk_buff *skb;
int err;
/* There is support for UDP large send offload by network
* device, so create one single skb packet containing complete
* udp datagram
*/
if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) {
struct frag_hdr fhdr;
skb = sock_alloc_send_skb(sk,
hh_len + fragheaderlen + transhdrlen + 20,
(flags & MSG_DONTWAIT), &err);
if (skb == NULL)
return err;
/* reserve space for Hardware header */
skb_reserve(skb, hh_len);
/* create space for UDP/IP header */
skb_put(skb,fragheaderlen + transhdrlen);
/* initialize network header pointer */
skb_reset_network_header(skb);
/* initialize protocol header pointer */
skb->transport_header = skb->network_header + fragheaderlen;
skb->protocol = htons(ETH_P_IPV6);
skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
/* Specify the length of each IPv6 datagram fragment.
* It has to be a multiple of 8.
*/
skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
sizeof(struct frag_hdr)) & ~7;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
ipv6_select_ident(&fhdr, rt);
skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
__skb_queue_tail(&sk->sk_write_queue, skb);
}
return skb_append_datato_frags(sk, skb, getfrag, from,
(length - transhdrlen));
} | 0 | 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 | vulnerable |
socket_accept(const int sock)
{
struct sockaddr_storage addrin;
socklen_t addrinlen = sizeof(addrin);
int net;
net = accept(sock, (struct sockaddr *) &addrin, &addrinlen);
if (net < 0) {
err_nonfatal("Failed to accept socket connection: %m");
}
return net;
} | 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 |
parse_field(netdissect_options *ndo, const char **pptr, int *len)
{
const char *s;
if (*len <= 0 || !pptr || !*pptr)
return NULL;
if (*pptr > (const char *) ndo->ndo_snapend)
return NULL;
s = *pptr;
while (*pptr <= (const char *) ndo->ndo_snapend && *len >= 0 && **pptr) {
(*pptr)++;
(*len)--;
}
(*pptr)++;
(*len)--;
if (*len < 0 || *pptr > (const char *) ndo->ndo_snapend)
return NULL;
return s;
} | 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 |
cJSON *cJSON_DetachItemFromArray( cJSON *array, int which )
{
cJSON *c = array->child;
while ( c && which > 0 ) {
c = c->next;
--which;
}
if ( ! c )
return 0;
if ( c->prev )
c->prev->next = c->next;
if ( c->next ) c->next->prev = c->prev;
if ( c == array->child )
array->child = c->next;
c->prev = c->next = 0;
return c;
} | 0 | 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 | vulnerable |
find_link_ref(struct link_ref **references, uint8_t *name, size_t length)
{
unsigned int hash = hash_link_ref(name, length);
struct link_ref *ref = NULL;
ref = references[hash % REF_TABLE_SIZE];
while (ref != NULL) {
if (ref->id == hash)
return ref;
ref = ref->next;
}
return NULL;
} | 0 | C | CWE-327 | Use of a Broken or Risky Cryptographic Algorithm | The use of a broken or risky cryptographic algorithm is an unnecessary risk that may result in the exposure of sensitive information. | https://cwe.mitre.org/data/definitions/327.html | vulnerable |
static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
size_t msg_len)
{
struct sock *sk = asoc->base.sk;
int err = 0;
long current_timeo = *timeo_p;
DEFINE_WAIT(wait);
pr_debug("%s: asoc:%p, timeo:%ld, msg_len:%zu\n", __func__, asoc,
*timeo_p, msg_len);
/* Increment the association's refcnt. */
sctp_association_hold(asoc);
/* Wait on the association specific sndbuf space. */
for (;;) {
prepare_to_wait_exclusive(&asoc->wait, &wait,
TASK_INTERRUPTIBLE);
if (!*timeo_p)
goto do_nonblock;
if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING ||
asoc->base.dead)
goto do_error;
if (signal_pending(current))
goto do_interrupted;
if (msg_len <= sctp_wspace(asoc))
break;
/* Let another process have a go. Since we are going
* to sleep anyway.
*/
release_sock(sk);
current_timeo = schedule_timeout(current_timeo);
BUG_ON(sk != asoc->base.sk);
lock_sock(sk);
*timeo_p = current_timeo;
}
out:
finish_wait(&asoc->wait, &wait);
/* Release the association's refcnt. */
sctp_association_put(asoc);
return err;
do_error:
err = -EPIPE;
goto out;
do_interrupted:
err = sock_intr_errno(*timeo_p);
goto out;
do_nonblock:
err = -EAGAIN;
goto out;
} | 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 |
int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
{
unsigned int offset = sizeof(struct ipv6hdr);
unsigned int packet_len = skb_tail_pointer(skb) -
skb_network_header(skb);
int found_rhdr = 0;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
while (offset <= packet_len) {
struct ipv6_opt_hdr *exthdr;
unsigned int len;
switch (**nexthdr) {
case NEXTHDR_HOP:
break;
case NEXTHDR_ROUTING:
found_rhdr = 1;
break;
case NEXTHDR_DEST:
#if IS_ENABLED(CONFIG_IPV6_MIP6)
if (ipv6_find_tlv(skb, offset, IPV6_TLV_HAO) >= 0)
break;
#endif
if (found_rhdr)
return offset;
break;
default:
return offset;
}
if (offset + sizeof(struct ipv6_opt_hdr) > packet_len)
return -EINVAL;
exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) +
offset);
len = ipv6_optlen(exthdr);
if (len + offset >= IPV6_MAXPLEN)
return -EINVAL;
offset += len;
*nexthdr = &exthdr->nexthdr;
}
return -EINVAL;
} | 1 | 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 | safe |
spnego_gss_inquire_context(
OM_uint32 *minor_status,
const gss_ctx_id_t context_handle,
gss_name_t *src_name,
gss_name_t *targ_name,
OM_uint32 *lifetime_rec,
gss_OID *mech_type,
OM_uint32 *ctx_flags,
int *locally_initiated,
int *opened)
{
OM_uint32 ret = GSS_S_COMPLETE;
ret = gss_inquire_context(minor_status,
context_handle,
src_name,
targ_name,
lifetime_rec,
mech_type,
ctx_flags,
locally_initiated,
opened);
return (ret);
} | 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 |
jas_stream_t *jas_stream_memopen(char *buf, int bufsize)
{
char *new_buf;
size_t new_bufsize;
JAS_DBGLOG(100, ("jas_stream_memopen(%p, %d)\n", buf, bufsize));
if (bufsize < 0) {
jas_deprecated("negative buffer size for jas_stream_memopen");
}
if (buf && bufsize <= 0) {
// This was never a valid thing to do with the old API.
jas_eprintf("Invalid use of jas_stream_memopen detected.\n");
jas_deprecated("A user-provided buffer for "
"jas_stream_memopen cannot be growable.\n");
}
if (bufsize <= 0) {
new_bufsize = 0;
new_buf = 0;
} else {
new_bufsize = bufsize;
new_buf = buf;
}
return jas_stream_memopen2(new_buf, new_bufsize);
} | 1 | 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 | safe |
static VALUE cState_space_set(VALUE self, VALUE space)
{
unsigned long len;
GET_STATE(self);
Check_Type(space, T_STRING);
len = RSTRING_LEN(space);
if (len == 0) {
if (state->space) {
ruby_xfree(state->space);
state->space = NULL;
state->space_len = 0;
}
} else {
if (state->space) ruby_xfree(state->space);
state->space = fstrndup(RSTRING_PTR(space), len);
state->space_len = len;
}
return Qnil;
} | 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 FORCEINLINE NEDMALLOCNOALIASATTR NEDMALLOCPTRATTR void *CallMalloc(void *RESTRICT mspace, size_t size, size_t alignment, unsigned flags) THROWSPEC
{
void *RESTRICT ret=0;
#if USE_MAGIC_HEADERS
size_t _alignment=alignment;
size_t *_ret=0;
size+=alignment+3*sizeof(size_t);
_alignment=0;
#endif
#if USE_ALLOCATOR==0
ret=(flags & M2_ZERO_MEMORY) ? syscalloc(1, size) : sysmalloc(size); /* magic headers takes care of alignment */
#elif USE_ALLOCATOR==1
ret=mspace_malloc2((mstate) mspace, size, alignment, flags);
#ifndef ENABLE_FAST_HEAP_DETECTION
if(ret)
{
mchunkptr p=mem2chunk(ret);
size_t truesize=chunksize(p) - overhead_for(p);
if(!leastusedaddress || (void *)((mstate) mspace)->least_addr<leastusedaddress) leastusedaddress=(void *)((mstate) mspace)->least_addr;
if(!largestusedblock || truesize>largestusedblock) largestusedblock=(truesize+mparams.page_size) & ~(mparams.page_size-1);
}
#endif
#endif
if(!ret) return 0;
#if DEBUG
if(flags & M2_ZERO_MEMORY)
{
const char *RESTRICT n;
for(n=(const char *)ret; n<(const char *)ret+size; n++)
{
assert(!*n);
}
}
#endif
#if USE_MAGIC_HEADERS
_ret=(size_t *) ret;
ret=(void *)(_ret+3);
if(alignment) ret=(void *)(((size_t) ret+alignment-1)&~(alignment-1));
for(; _ret<(size_t *)ret-2; _ret++) *_ret=*(size_t *)"NEDMALOC";
_ret[0]=(size_t) mspace;
_ret[1]=size-3*sizeof(size_t);
#endif
return ret;
}
| 0 | 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 | vulnerable |
#ifndef GPAC_DISABLE_ISOM_HINTING
void dump_isom_sdp(GF_ISOFile *file, char *inName, Bool is_final_name)
{
const char *sdp;
u32 size, i;
FILE *dump;
if (inName) {
char szBuf[1024];
strcpy(szBuf, inName);
if (!is_final_name) {
char *ext = strchr(szBuf, '.');
if (ext) ext[0] = 0;
strcat(szBuf, "_sdp.txt");
}
dump = gf_fopen(szBuf, "wt");
if (!dump) {
fprintf(stderr, "Failed to open %s for dumping\n", szBuf);
return;
}
} else {
dump = stdout;
fprintf(dump, "* File SDP content *\n\n");
}
//get the movie SDP
gf_isom_sdp_get(file, &sdp, &size);
fprintf(dump, "%s", sdp);
fprintf(dump, "\r\n");
//then tracks
for (i=0; i<gf_isom_get_track_count(file); i++) {
if (gf_isom_get_media_type(file, i+1) != GF_ISOM_MEDIA_HINT) continue;
gf_isom_sdp_track_get(file, i+1, &sdp, &size);
fprintf(dump, "%s", sdp);
}
fprintf(dump, "\n\n"); | 0 | 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 | vulnerable |
struct mapped_device *dm_get_from_kobject(struct kobject *kobj)
{
struct mapped_device *md;
md = container_of(kobj, struct mapped_device, kobj_holder.kobj);
spin_lock(&_minor_lock);
if (test_bit(DMF_FREEING, &md->flags) || dm_deleting_md(md)) {
md = NULL;
goto out;
}
dm_get(md);
out:
spin_unlock(&_minor_lock);
return md;
} | 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 |
char *compose_path(ctrl_t *ctrl, char *path)
{
struct stat st;
static char rpath[PATH_MAX];
char *name, *ptr;
char dir[PATH_MAX] = { 0 };
strlcpy(dir, ctrl->cwd, sizeof(dir));
DBG("Compose path from cwd: %s, arg: %s", ctrl->cwd, path ?: "");
if (!path || !strlen(path))
goto check;
if (path) {
if (path[0] != '/') {
if (dir[strlen(dir) - 1] != '/')
strlcat(dir, "/", sizeof(dir));
}
strlcat(dir, path, sizeof(dir));
}
check:
while ((ptr = strstr(dir, "//")))
memmove(ptr, &ptr[1], strlen(&ptr[1]) + 1);
if (!chrooted) {
size_t len = strlen(home);
DBG("Server path from CWD: %s", dir);
if (len > 0 && home[len - 1] == '/')
len--;
memmove(dir + len, dir, strlen(dir) + 1);
memcpy(dir, home, len);
DBG("Resulting non-chroot path: %s", dir);
}
/*
* Handle directories slightly differently, since dirname() on a
* directory returns the parent directory. So, just squash ..
*/
if (!stat(dir, &st) && S_ISDIR(st.st_mode)) {
if (!realpath(dir, rpath))
return NULL;
} else {
/*
* Check realpath() of directory containing the file, a
* STOR may want to save a new file. Then append the
* file and return it.
*/
name = basename(path);
ptr = dirname(dir);
memset(rpath, 0, sizeof(rpath));
if (!realpath(ptr, rpath)) {
INFO("Failed realpath(%s): %m", ptr);
return NULL;
}
if (rpath[1] != 0)
strlcat(rpath, "/", sizeof(rpath));
strlcat(rpath, name, sizeof(rpath));
}
if (!chrooted && strncmp(dir, home, strlen(home))) {
DBG("Failed non-chroot dir:%s vs home:%s", dir, home);
return NULL;
}
return rpath;
} | 0 | C | CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. | https://cwe.mitre.org/data/definitions/22.html | vulnerable |
static void xudc_getstatus(struct xusb_udc *udc)
{
struct xusb_ep *ep0 = &udc->ep[0];
struct xusb_req *req = udc->req;
struct xusb_ep *target_ep;
u16 status = 0;
u32 epcfgreg;
int epnum;
u32 halt;
int ret;
switch (udc->setup.bRequestType & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
/* Get device status */
status = 1 << USB_DEVICE_SELF_POWERED;
if (udc->remote_wkp)
status |= (1 << USB_DEVICE_REMOTE_WAKEUP);
break;
case USB_RECIP_INTERFACE:
break;
case USB_RECIP_ENDPOINT:
epnum = udc->setup.wIndex & USB_ENDPOINT_NUMBER_MASK;
if (epnum >= XUSB_MAX_ENDPOINTS)
goto stall;
target_ep = &udc->ep[epnum];
epcfgreg = udc->read_fn(udc->addr + target_ep->offset);
halt = epcfgreg & XUSB_EP_CFG_STALL_MASK;
if (udc->setup.wIndex & USB_DIR_IN) {
if (!target_ep->is_in)
goto stall;
} else {
if (target_ep->is_in)
goto stall;
}
if (halt)
status = 1 << USB_ENDPOINT_HALT;
break;
default:
goto stall;
}
req->usb_req.length = 2;
*(u16 *)req->usb_req.buf = cpu_to_le16(status);
ret = __xudc_ep0_queue(ep0, req);
if (ret == 0)
return;
stall:
dev_err(udc->dev, "Can't respond to getstatus request\n");
xudc_ep0_stall(udc);
} | 1 | 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 | safe |
static apr_byte_t oidc_validate_post_logout_url(request_rec *r, const char *url,
char **err_str, char **err_desc) {
apr_uri_t uri;
const char *c_host = NULL;
if (apr_uri_parse(r->pool, url, &uri) != APR_SUCCESS) {
*err_str = apr_pstrdup(r->pool, "Malformed URL");
*err_desc = apr_psprintf(r->pool, "Logout URL malformed: %s", url);
oidc_error(r, "%s: %s", *err_str, *err_desc);
return FALSE;
}
c_host = oidc_get_current_url_host(r);
if ((uri.hostname != NULL)
&& ((strstr(c_host, uri.hostname) == NULL)
|| (strstr(uri.hostname, c_host) == NULL))) {
*err_str = apr_pstrdup(r->pool, "Invalid Request");
*err_desc =
apr_psprintf(r->pool,
"logout value \"%s\" does not match the hostname of the current request \"%s\"",
apr_uri_unparse(r->pool, &uri, 0), c_host);
oidc_error(r, "%s: %s", *err_str, *err_desc);
return FALSE;
} else if (strstr(url, "/") != url) {
*err_str = apr_pstrdup(r->pool, "Malformed URL");
*err_desc =
apr_psprintf(r->pool,
"No hostname was parsed and it does not seem to be relative, i.e starting with '/': %s",
url);
oidc_error(r, "%s: %s", *err_str, *err_desc);
return FALSE;
}
/* validate the URL to prevent HTTP header splitting */
if (((strstr(url, "\n") != NULL) || strstr(url, "\r") != NULL)) {
*err_str = apr_pstrdup(r->pool, "Invalid Request");
*err_desc =
apr_psprintf(r->pool,
"logout value \"%s\" contains illegal \"\n\" or \"\r\" character(s)",
url);
oidc_error(r, "%s: %s", *err_str, *err_desc);
return FALSE;
}
return TRUE;
} | 0 | C | CWE-601 | URL Redirection to Untrusted Site ('Open Redirect') | A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. | https://cwe.mitre.org/data/definitions/601.html | vulnerable |
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 |
wb_id(netdissect_options *ndo,
const struct pkt_id *id, u_int len)
{
int i;
const char *cp;
const struct id_off *io;
char c;
int nid;
ND_PRINT((ndo, " wb-id:"));
if (len < sizeof(*id) || !ND_TTEST(*id))
return (-1);
len -= sizeof(*id);
ND_PRINT((ndo, " %u/%s:%u (max %u/%s:%u) ",
EXTRACT_32BITS(&id->pi_ps.slot),
ipaddr_string(ndo, &id->pi_ps.page.p_sid),
EXTRACT_32BITS(&id->pi_ps.page.p_uid),
EXTRACT_32BITS(&id->pi_mslot),
ipaddr_string(ndo, &id->pi_mpage.p_sid),
EXTRACT_32BITS(&id->pi_mpage.p_uid)));
nid = EXTRACT_16BITS(&id->pi_ps.nid);
len -= sizeof(*io) * nid;
io = (struct id_off *)(id + 1);
cp = (char *)(io + nid);
if (!ND_TTEST2(cp, len)) {
ND_PRINT((ndo, "\""));
fn_print(ndo, (u_char *)cp, (u_char *)cp + len);
ND_PRINT((ndo, "\""));
}
c = '<';
for (i = 0; i < nid && ND_TTEST(*io); ++io, ++i) {
ND_PRINT((ndo, "%c%s:%u",
c, ipaddr_string(ndo, &io->id), EXTRACT_32BITS(&io->off)));
c = ',';
}
if (i >= nid) {
ND_PRINT((ndo, ">"));
return (0);
}
return (-1);
} | 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 struct minidump_module *read_module(RBuffer *b, ut64 addr) {
st64 o_addr = r_buf_seek (b, 0, R_BUF_CUR);
if (r_buf_seek (b, addr, R_BUF_SET) == -1) {
return NULL;
}
struct minidump_module *module = R_NEW0 (struct minidump_module);
if (!module) {
return NULL;
}
module->base_of_image = r_buf_read_le64 (b);
module->size_of_image = r_buf_read_le32 (b);
module->check_sum = r_buf_read_le32 (b);
module->time_date_stamp = r_buf_read_le32 (b);
module->module_name_rva = r_buf_read_le32 (b);
module->version_info.dw_signature = r_buf_read_le32 (b);
module->version_info.dw_struc_version = r_buf_read_le32 (b);
module->version_info.dw_file_version_ms = r_buf_read_le32 (b);
module->version_info.dw_file_version_ls = r_buf_read_le32 (b);
module->version_info.dw_product_version_ms = r_buf_read_le32 (b);
module->version_info.dw_product_version_ls = r_buf_read_le32 (b);
module->version_info.dw_file_flags_mask = r_buf_read_le32 (b);
module->version_info.dw_file_flags = r_buf_read_le32 (b);
module->version_info.dw_file_os = r_buf_read_le32 (b);
module->version_info.dw_file_type = r_buf_read_le32 (b);
module->version_info.dw_file_subtype = r_buf_read_le32 (b);
module->version_info.dw_file_date_ms = r_buf_read_le32 (b);
module->version_info.dw_file_date_ls = r_buf_read_le32 (b);
module->cv_record.data_size = r_buf_read_le32 (b);
module->cv_record.rva = r_buf_read_le32 (b);
module->misc_record.data_size = r_buf_read_le32 (b);
module->misc_record.rva = r_buf_read_le32 (b);
module->reserved_0 = r_buf_read_le64 (b);
module->reserved_1 = r_buf_read_le64 (b);
r_buf_seek (b, o_addr, R_BUF_SET);
return module;
} | 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 |
unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx)
{
struct desc_struct *desc;
short sel;
sel = get_segment_selector(regs, seg_reg_idx);
if (sel < 0)
return -1L;
if (v8086_mode(regs))
/*
* Base is simply the segment selector shifted 4
* bits to the right.
*/
return (unsigned long)(sel << 4);
if (user_64bit_mode(regs)) {
/*
* Only FS or GS will have a base address, the rest of
* the segments' bases are forced to 0.
*/
unsigned long base;
if (seg_reg_idx == INAT_SEG_REG_FS)
rdmsrl(MSR_FS_BASE, base);
else if (seg_reg_idx == INAT_SEG_REG_GS)
/*
* swapgs was called at the kernel entry point. Thus,
* MSR_KERNEL_GS_BASE will have the user-space GS base.
*/
rdmsrl(MSR_KERNEL_GS_BASE, base);
else
base = 0;
return base;
}
/* In protected mode the segment selector cannot be null. */
if (!sel)
return -1L;
desc = get_desc(sel);
if (!desc)
return -1L;
return get_desc_base(desc);
} | 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 |
add_header_value(VALUE hh, const char *key, int klen, const char *val, int vlen) {
if (sizeof(content_type) - 1 == klen && 0 == strncasecmp(key, content_type, sizeof(content_type) - 1)) {
rb_hash_aset(hh, content_type_val, rb_str_new(val, vlen));
} else if (sizeof(content_length) - 1 == klen && 0 == strncasecmp(key, content_length, sizeof(content_length) - 1)) {
rb_hash_aset(hh, content_length_val, rb_str_new(val, vlen));
} else {
char hkey[1024];
char *k = hkey;
volatile VALUE sval = rb_str_new(val, vlen);
strcpy(hkey, "HTTP_");
k = hkey + 5;
if ((int)(sizeof(hkey) - 5) <= klen) {
klen = sizeof(hkey) - 6;
}
strncpy(k, key, klen);
hkey[klen + 5] = '\0';
//rb_hash_aset(hh, rb_str_new(hkey, klen + 5), sval);
// Contrary to the Rack spec, Rails expects all upper case keys so add those as well.
for (k = hkey + 5; '\0' != *k; k++) {
if ('-' == *k) {
*k = '_';
} else {
*k = toupper(*k);
}
}
rb_hash_aset(hh, rb_str_new(hkey, klen + 5), sval);
}
} | 0 | C | CWE-444 | Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') | The product acts as an intermediary HTTP agent
(such as a proxy or firewall) in the data flow between two
entities such as a client and server, but it does not
interpret malformed HTTP requests or responses in ways that
are consistent with how the messages will be processed by
those entities that are at the ultimate destination. | https://cwe.mitre.org/data/definitions/444.html | vulnerable |
int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type)
{
struct hexline *hx;
u8 *buf;
int ret, pos = 0;
u16 cpu_cs_register = cypress[type].cpu_cs_register;
buf = kmalloc(sizeof(*hx), GFP_KERNEL);
if (!buf)
return -ENOMEM;
hx = (struct hexline *)buf;
/* stop the CPU */
buf[0] = 1;
if (usb_cypress_writemem(udev, cpu_cs_register, buf, 1) != 1)
err("could not stop the USB controller CPU.");
while ((ret = dvb_usb_get_hexline(fw, hx, &pos)) > 0) {
deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n", hx->addr, hx->len, hx->chk);
ret = usb_cypress_writemem(udev, hx->addr, hx->data, hx->len);
if (ret != hx->len) {
err("error while transferring firmware (transferred size: %d, block size: %d)",
ret, hx->len);
ret = -EINVAL;
break;
}
}
if (ret < 0) {
err("firmware download failed at %d with %d",pos,ret);
kfree(buf);
return ret;
}
if (ret == 0) {
/* restart the CPU */
buf[0] = 0;
if (usb_cypress_writemem(udev, cpu_cs_register, buf, 1) != 1) {
err("could not restart the USB controller CPU.");
ret = -EINVAL;
}
} else
ret = -EIO;
kfree(buf);
return ret;
} | 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 |
_dl_dst_count (const char *name, int is_path)
{
const char *const start = name;
size_t cnt = 0;
do
{
size_t len = 1;
/* $ORIGIN is not expanded for SUID/GUID programs.
Note that it is no bug that the strings in the first two `strncmp'
calls are longer than the sequence which is actually tested. */
if ((((strncmp (&name[1], "ORIGIN}", 6) == 0
&& (!__libc_enable_secure
|| ((name[7] == '\0' || (is_path && name[7] == ':'))
&& (name == start || (is_path && name[-1] == ':'))))
&& (len = 7) != 0)
|| (strncmp (&name[1], "PLATFORM}", 8) == 0 && (len = 9) != 0))
&& (name[len] == '\0' || name[len] == '/'
|| (is_path && name[len] == ':')))
|| (name[1] == '{'
&& ((strncmp (&name[2], "ORIGIN}", 7) == 0
&& (!__libc_enable_secure
|| ((name[9] == '\0' || (is_path && name[9] == ':'))
&& (name == start || (is_path && name[-1] == ':'))))
&& (len = 9) != 0)
|| (strncmp (&name[2], "PLATFORM}", 9) == 0
&& (len = 11) != 0))))
++cnt;
name = strchr (name + len, '$');
}
while (name != NULL);
return cnt;
} | 1 | C | CWE-252 | Unchecked Return Value | The software does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. | https://cwe.mitre.org/data/definitions/252.html | safe |
error_t ipv6ComputeSolicitedNodeAddr(const Ipv6Addr *ipAddr,
Ipv6Addr *solicitedNodeAddr)
{
error_t error;
//Ensure the specified address is a valid unicast or anycast address
if(!ipv6IsMulticastAddr(ipAddr))
{
//Copy the 104-bit prefix
ipv6CopyAddr(solicitedNodeAddr, &IPV6_SOLICITED_NODE_ADDR_PREFIX);
//Take the low-order 24 bits of the address (unicast or anycast) and
//append those bits to the prefix
solicitedNodeAddr->b[13] = ipAddr->b[13];
solicitedNodeAddr->b[14] = ipAddr->b[14];
solicitedNodeAddr->b[15] = ipAddr->b[15];
//Sucessful processing
error = NO_ERROR;
}
else
{
//Report an error
error = ERROR_INVALID_ADDRESS;
}
//Return status code
return error;
} | 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 |
char *path_name(const struct name_path *path, const char *name)
{
const struct name_path *p;
char *n, *m;
int nlen = strlen(name);
int len = nlen + 1;
for (p = path; p; p = p->up) {
if (p->elem_len)
len += p->elem_len + 1;
}
n = xmalloc(len);
m = n + len - (nlen + 1);
strcpy(m, name);
for (p = path; p; p = p->up) {
if (p->elem_len) {
m -= p->elem_len + 1;
memcpy(m, p->elem, p->elem_len);
m[p->elem_len] = '/';
}
}
return n;
} | 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 |
int unshare_userns(unsigned long unshare_flags, struct cred **new_cred)
{
struct cred *cred;
int err = -ENOMEM;
if (!(unshare_flags & CLONE_NEWUSER))
return 0;
cred = prepare_creds();
if (cred) {
err = create_user_ns(cred);
if (err)
put_cred(cred);
else
*new_cred = cred;
}
return err;
} | 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 int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
if (nla_put(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher))
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 u32 gasp_version(__be32 *p)
{
return be32_to_cpu(p[1]) & 0xffffff;
} | 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 generic_permission(struct inode *inode, int mask)
{
int ret;
/*
* Do the basic permission checks.
*/
ret = acl_permission_check(inode, mask);
if (ret != -EACCES)
return ret;
if (S_ISDIR(inode->i_mode)) {
/* DACs are overridable for directories */
if (inode_capable(inode, CAP_DAC_OVERRIDE))
return 0;
if (!(mask & MAY_WRITE))
if (inode_capable(inode, CAP_DAC_READ_SEARCH))
return 0;
return -EACCES;
}
/*
* Read/write DACs are always overridable.
* Executable DACs are overridable when there is
* at least one exec bit set.
*/
if (!(mask & MAY_EXEC) || (inode->i_mode & S_IXUGO))
if (inode_capable(inode, CAP_DAC_OVERRIDE))
return 0;
/*
* Searching includes executable on directories, else just read.
*/
mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
if (mask == MAY_READ)
if (inode_capable(inode, CAP_DAC_READ_SEARCH))
return 0;
return -EACCES;
} | 0 | 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 | vulnerable |
static void nfs4_open_release(void *calldata)
{
struct nfs4_opendata *data = calldata;
struct nfs4_state *state = NULL;
/* If this request hasn't been cancelled, do nothing */
if (data->cancelled == 0)
goto out_free;
/* In case of error, no cleanup! */
if (data->rpc_status != 0 || !data->rpc_done)
goto out_free;
/* In case we need an open_confirm, no cleanup! */
if (data->o_res.rflags & NFS4_OPEN_RESULT_CONFIRM)
goto out_free;
state = nfs4_opendata_to_nfs4_state(data);
if (!IS_ERR(state))
nfs4_close_state(&data->path, state, data->o_arg.fmode);
out_free:
nfs4_opendata_put(data);
} | 1 | C | NVD-CWE-noinfo | null | null | null | safe |
static noinline void key_gc_unused_keys(struct list_head *keys)
{
while (!list_empty(keys)) {
struct key *key =
list_entry(keys->next, struct key, graveyard_link);
list_del(&key->graveyard_link);
kdebug("- %u", key->serial);
key_check(key);
/* Throw away the key data if the key is instantiated */
if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags) &&
!test_bit(KEY_FLAG_NEGATIVE, &key->flags) &&
key->type->destroy)
key->type->destroy(key);
security_key_free(key);
/* deal with the user's key tracking and quota */
if (test_bit(KEY_FLAG_IN_QUOTA, &key->flags)) {
spin_lock(&key->user->lock);
key->user->qnkeys--;
key->user->qnbytes -= key->quotalen;
spin_unlock(&key->user->lock);
}
atomic_dec(&key->user->nkeys);
if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags))
atomic_dec(&key->user->nikeys);
key_user_put(key->user);
kfree(key->description);
#ifdef KEY_DEBUGGING
key->magic = KEY_DEBUG_MAGIC_X;
#endif
kmem_cache_free(key_jar, key);
}
} | 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 |
GC_API void * GC_CALL GC_generic_malloc(size_t lb, int k)
{
void * result;
DCL_LOCK_STATE;
if (EXPECT(GC_have_errors, FALSE))
GC_print_all_errors();
GC_INVOKE_FINALIZERS();
if (SMALL_OBJ(lb)) {
LOCK();
result = GC_generic_malloc_inner((word)lb, k);
UNLOCK();
} else {
size_t lg;
size_t lb_rounded;
word n_blocks;
GC_bool init;
lg = ROUNDED_UP_GRANULES(lb);
lb_rounded = GRANULES_TO_BYTES(lg);
if (lb_rounded < lb)
return((*GC_get_oom_fn())(lb));
n_blocks = OBJ_SZ_TO_BLOCKS(lb_rounded);
init = GC_obj_kinds[k].ok_init;
LOCK();
result = (ptr_t)GC_alloc_large(lb_rounded, k, 0);
if (0 != result) {
if (GC_debugging_started) {
BZERO(result, n_blocks * HBLKSIZE);
} else {
# ifdef THREADS
/* Clear any memory that might be used for GC descriptors */
/* before we release the lock. */
((word *)result)[0] = 0;
((word *)result)[1] = 0;
((word *)result)[GRANULES_TO_WORDS(lg)-1] = 0;
((word *)result)[GRANULES_TO_WORDS(lg)-2] = 0;
# endif
}
}
GC_bytes_allocd += lb_rounded;
UNLOCK();
if (init && !GC_debugging_started && 0 != result) {
BZERO(result, n_blocks * HBLKSIZE);
}
}
if (0 == result) {
return((*GC_get_oom_fn())(lb));
} else {
return(result);
}
} | 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 createFromTiffRgba(TIFF * tif, gdImagePtr im)
{
int a;
int x, y;
int alphaBlendingFlag = 0;
int color;
int width = im->sx;
int height = im->sy;
uint32 *buffer;
uint32 rgba;
/* switch off colour merging on target gd image just while we write out
* content - we want to preserve the alpha data until the user chooses
* what to do with the image */
alphaBlendingFlag = im->alphaBlendingFlag;
gdImageAlphaBlending(im, 0);
buffer = (uint32 *) gdCalloc(sizeof(uint32), width * height);
if (!buffer) {
return GD_FAILURE;
}
TIFFReadRGBAImage(tif, width, height, buffer, 0);
for(y = 0; y < height; y++) {
for(x = 0; x < width; x++) {
/* if it doesn't already exist, allocate a new colour,
* else use existing one */
rgba = buffer[(y * width + x)];
a = (0xff - TIFFGetA(rgba)) / 2;
color = gdTrueColorAlpha(TIFFGetR(rgba), TIFFGetG(rgba), TIFFGetB(rgba), a);
/* set pixel colour to this colour */
gdImageSetPixel(im, x, height - y - 1, color);
}
}
gdFree(buffer);
/* now reset colour merge for alpha blending routines */
gdImageAlphaBlending(im, alphaBlendingFlag);
return GD_SUCCESS;
} | 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 |
SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
unsigned int, flags, struct sockaddr __user *, addr,
int __user *, addr_len)
{
struct socket *sock;
struct iovec iov;
struct msghdr msg;
struct sockaddr_storage address;
int err, err2;
int fput_needed;
if (size > INT_MAX)
size = INT_MAX;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_iovlen = 1;
msg.msg_iov = &iov;
iov.iov_len = size;
iov.iov_base = ubuf;
/* Save some cycles and don't copy the address if not needed */
msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
/* We assume all kernel code knows the size of sockaddr_storage */
msg.msg_namelen = 0;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, size, flags);
if (err >= 0 && addr != NULL) {
err2 = move_addr_to_user(&address,
msg.msg_namelen, addr, addr_len);
if (err2 < 0)
err = err2;
}
fput_light(sock->file, fput_needed);
out:
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 |
void __init(RBuffer *buf, r_bin_ne_obj_t *bin) {
bin->header_offset = r_buf_read_le16_at (buf, 0x3c);
bin->ne_header = R_NEW0 (NE_image_header);
if (!bin->ne_header) {
return;
}
bin->buf = buf;
r_buf_read_at (buf, bin->header_offset, (ut8 *)bin->ne_header, sizeof (NE_image_header));
bin->alignment = 1 << bin->ne_header->FileAlnSzShftCnt;
if (!bin->alignment) {
bin->alignment = 1 << 9;
}
bin->os = __get_target_os (bin);
ut16 offset = bin->ne_header->SegTableOffset + bin->header_offset;
ut16 size = bin->ne_header->SegCount * sizeof (NE_image_segment_entry);
bin->segment_entries = calloc (1, size);
if (!bin->segment_entries) {
return;
}
r_buf_read_at (buf, offset, (ut8 *)bin->segment_entries, size);
bin->entry_table = calloc (1, bin->ne_header->EntryTableLength);
r_buf_read_at (buf, (ut64)bin->header_offset + bin->ne_header->EntryTableOffset, bin->entry_table, bin->ne_header->EntryTableLength);
bin->imports = r_bin_ne_get_imports (bin);
__ne_get_resources (bin);
} | 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 |
static void perf_log_throttle(struct perf_event *event, int enable)
{
struct perf_output_handle handle;
struct perf_sample_data sample;
int ret;
struct {
struct perf_event_header header;
u64 time;
u64 id;
u64 stream_id;
} throttle_event = {
.header = {
.type = PERF_RECORD_THROTTLE,
.misc = 0,
.size = sizeof(throttle_event),
},
.time = perf_clock(),
.id = primary_event_id(event),
.stream_id = event->id,
};
if (enable)
throttle_event.header.type = PERF_RECORD_UNTHROTTLE;
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
throttle_event.header.size, 1, 0);
if (ret)
return;
perf_output_put(&handle, throttle_event);
perf_event__output_id_sample(event, &handle, &sample);
perf_output_end(&handle);
} | 0 | 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 | vulnerable |
static void settings_changed(struct btd_adapter *adapter, uint32_t settings)
{
uint32_t changed_mask;
changed_mask = adapter->current_settings ^ settings;
adapter->current_settings = settings;
adapter->pending_settings &= ~changed_mask;
DBG("Changed settings: 0x%08x", changed_mask);
DBG("Pending settings: 0x%08x", adapter->pending_settings);
if (changed_mask & MGMT_SETTING_POWERED) {
g_dbus_emit_property_changed(dbus_conn, adapter->path,
ADAPTER_INTERFACE, "Powered");
if (adapter->current_settings & MGMT_SETTING_POWERED) {
adapter_start(adapter);
} else {
adapter_stop(adapter);
if (powering_down) {
adapter_remaining--;
if (!adapter_remaining)
btd_exit();
}
}
}
if ((changed_mask & MGMT_SETTING_LE) &&
btd_adapter_get_powered(adapter) &&
(adapter->current_settings & MGMT_SETTING_LE))
trigger_passive_scanning(adapter);
if (changed_mask & MGMT_SETTING_DISCOVERABLE) {
g_dbus_emit_property_changed(dbus_conn, adapter->path,
ADAPTER_INTERFACE, "Discoverable");
store_adapter_info(adapter);
btd_adv_manager_refresh(adapter->adv_manager);
}
if (changed_mask & MGMT_SETTING_BONDABLE) {
g_dbus_emit_property_changed(dbus_conn, adapter->path,
ADAPTER_INTERFACE, "Pairable");
trigger_pairable_timeout(adapter);
}
} | 0 | C | CWE-863 | Incorrect Authorization | The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. | https://cwe.mitre.org/data/definitions/863.html | vulnerable |
void Curl_detach_connnection(struct Curl_easy *data)
{
struct connectdata *conn = data->conn;
if(conn) {
Curl_llist_remove(&conn->easyq, &data->conn_queue, NULL);
Curl_ssl_detach_conn(data, conn);
}
data->conn = NULL;
} | 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 char *http_get_w32(const char *url, int *code, int *rlen) {
HINTERNET hInternet = InternetOpenA ("radare2 "R2_VERSION, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
if (!hInternet) {
r_sys_perror ("InternetOpenA");
return NULL;
}
HINTERNET hOpenUrl = InternetOpenUrlA (hInternet, url, NULL, 0, 0, 0);
if (!hOpenUrl) {
r_sys_perror ("InternetOpenUrlA");
InternetCloseHandle (hInternet);
return NULL;
}
char *ret = NULL;
size_t read_sz = 0x100000;
DWORD r = 0, w = 0;
bool res = true;
do {
w += r;
if (!res && GetLastError () == ERROR_INSUFFICIENT_BUFFER) {
read_sz *= 2;
}
char *tmp = realloc (ret, read_sz + w);
if (!tmp) {
R_FREE (ret);
goto exit;
}
ret = tmp;
} while (!(res = InternetReadFile (hOpenUrl, ret + w, read_sz, &r)) || r);
if (w) {
char *tmp = realloc (ret, (size_t)w + 1);
if (tmp) {
ret = tmp;
ret[w] = 0;
} else {
R_FREE (ret);
}
} else {
R_FREE (ret);
}
exit:
if (rlen) {
*rlen = w;
}
if (code && w) {
*code = 200;
}
InternetCloseHandle (hInternet);
InternetCloseHandle (hOpenUrl);
return ret;
} | 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 |
static void parseServerLog(HttpRoute *route, cchar *key, MprJson *prop)
{
MprTicks timestamp;
cchar *location;
ssize size;
int level, anew, backup;
if (mprGetCmdlineLogging()) {
mprLog("warn http config", 4, "Already logging. Ignoring log configuration");
return;
}
location = mprReadJson(prop, "location");
level = (int) stoi(mprReadJson(prop, "level"));
backup = (int) stoi(mprReadJson(prop, "backup"));
anew = smatch(mprReadJson(prop, "anew"), "true");
size = (ssize) httpGetNumber(mprReadJson(prop, "size"));
timestamp = httpGetNumber(mprReadJson(prop, "timestamp"));
if (size < HTTP_TRACE_MIN_LOG_SIZE) {
size = HTTP_TRACE_MIN_LOG_SIZE;
}
if (location == 0) {
httpParseError(route, "Missing location");
return;
}
if (!smatch(location, "stdout") && !smatch(location, "stderr")) {
location = httpMakePath(route, 0, location);
}
mprSetLogBackup(size, backup, anew ? MPR_LOG_ANEW : 0);
if (mprStartLogging(location, 0) < 0) {
httpParseError(route, "Cannot write to error log: %s", location);
return;
}
mprSetLogLevel(level);
mprLogConfig();
if (timestamp) {
httpSetTimestamp(timestamp);
}
} | 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 read_file(struct sc_card *card, char *str_path, unsigned char **data, size_t *data_len)
{
struct sc_path path;
struct sc_file *file;
unsigned char *p;
int ok = 0;
int r;
size_t len;
sc_format_path(str_path, &path);
if (SC_SUCCESS != sc_select_file(card, &path, &file)) {
goto err;
}
len = file ? file->size : 4096;
p = realloc(*data, len);
if (!p) {
goto err;
}
*data = p;
*data_len = len;
r = sc_read_binary(card, 0, p, len, 0);
if (r < 0)
goto err;
*data_len = r;
ok = 1;
err:
sc_file_free(file);
return ok;
} | 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 |
DECLAREcpFunc(cpContig2SeparateByRow)
{
tsize_t scanlinesizein = TIFFScanlineSize(in);
tsize_t scanlinesizeout = TIFFScanlineSize(out);
tdata_t inbuf;
tdata_t outbuf;
register uint8 *inp, *outp;
register uint32 n;
uint32 row;
tsample_t s;
uint16 bps = 0;
(void) TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bps);
if( bps != 8 )
{
TIFFError(TIFFFileName(in),
"Error, can only handle BitsPerSample=8 in %s",
"cpContig2SeparateByRow");
return 0;
}
inbuf = _TIFFmalloc(scanlinesizein);
outbuf = _TIFFmalloc(scanlinesizeout);
if (!inbuf || !outbuf)
goto bad;
_TIFFmemset(inbuf, 0, scanlinesizein);
_TIFFmemset(outbuf, 0, scanlinesizeout);
/* unpack channels */
for (s = 0; s < spp; s++) {
for (row = 0; row < imagelength; row++) {
if (TIFFReadScanline(in, inbuf, row, 0) < 0
&& !ignore) {
TIFFError(TIFFFileName(in),
"Error, can't read scanline %lu",
(unsigned long) row);
goto bad;
}
inp = ((uint8*)inbuf) + s;
outp = (uint8*)outbuf;
for (n = imagewidth; n-- > 0;) {
*outp++ = *inp;
inp += spp;
}
if (TIFFWriteScanline(out, outbuf, row, s) < 0) {
TIFFError(TIFFFileName(out),
"Error, can't write scanline %lu",
(unsigned long) row);
goto bad;
}
}
}
if (inbuf) _TIFFfree(inbuf);
if (outbuf) _TIFFfree(outbuf);
return 1;
bad:
if (inbuf) _TIFFfree(inbuf);
if (outbuf) _TIFFfree(outbuf);
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 |
xfs_iget_check_free_state(
struct xfs_inode *ip,
int flags)
{
if (flags & XFS_IGET_CREATE) {
/* should be a free inode */
if (VFS_I(ip)->i_mode != 0) {
xfs_warn(ip->i_mount,
"Corruption detected! Free inode 0x%llx not marked free! (mode 0x%x)",
ip->i_ino, VFS_I(ip)->i_mode);
return -EFSCORRUPTED;
}
if (ip->i_d.di_nblocks != 0) {
xfs_warn(ip->i_mount,
"Corruption detected! Free inode 0x%llx has blocks allocated!",
ip->i_ino);
return -EFSCORRUPTED;
}
return 0;
}
/* should be an allocated inode */
if (VFS_I(ip)->i_mode == 0)
return -ENOENT;
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 |
void ves_icall_System_Threading_InternalThread_Thread_free_internal (MonoInternalThread *this, HANDLE thread)
{
MONO_ARCH_SAVE_REGS;
THREAD_DEBUG (g_message ("%s: Closing thread %p, handle %p", __func__, this, thread));
if (thread)
CloseHandle (thread);
if (this->synch_cs) {
DeleteCriticalSection (this->synch_cs);
g_free (this->synch_cs);
this->synch_cs = NULL;
}
g_free (this->name);
} | 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 |
BGD_DECLARE(void) gdImageWebpEx (gdImagePtr im, FILE * outFile, int quality)
{
gdIOCtx *out = gdNewFileCtx(outFile);
if (out == NULL) {
return;
}
_gdImageWebpCtx(im, out, quality);
out->gd_free(out);
} | 1 | C | CWE-415 | Double Free | The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. | https://cwe.mitre.org/data/definitions/415.html | safe |
void big_key_describe(const struct key *key, struct seq_file *m)
{
size_t datalen = (size_t)key->payload.data[big_key_len];
seq_puts(m, key->description);
if (key_is_positive(key))
seq_printf(m, ": %zu [%s]",
datalen,
datalen > BIG_KEY_FILE_THRESHOLD ? "file" : "buff");
} | 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 |
_archive_write_disk_close(struct archive *_a)
{
struct archive_write_disk *a = (struct archive_write_disk *)_a;
struct fixup_entry *next, *p;
int fd, ret;
archive_check_magic(&a->archive, ARCHIVE_WRITE_DISK_MAGIC,
ARCHIVE_STATE_HEADER | ARCHIVE_STATE_DATA,
"archive_write_disk_close");
ret = _archive_write_disk_finish_entry(&a->archive);
/* Sort dir list so directories are fixed up in depth-first order. */
p = sort_dir_list(a->fixup_list);
while (p != NULL) {
fd = -1;
a->pst = NULL; /* Mark stat cache as out-of-date. */
if (p->fixup &
(TODO_TIMES | TODO_MODE_BASE | TODO_ACLS | TODO_FFLAGS)) {
fd = open(p->name,
O_WRONLY | O_BINARY | O_NOFOLLOW | O_CLOEXEC);
}
if (p->fixup & TODO_TIMES) {
set_times(a, fd, p->mode, p->name,
p->atime, p->atime_nanos,
p->birthtime, p->birthtime_nanos,
p->mtime, p->mtime_nanos,
p->ctime, p->ctime_nanos);
}
if (p->fixup & TODO_MODE_BASE) {
#ifdef HAVE_FCHMOD
if (fd >= 0)
fchmod(fd, p->mode);
else
#endif
chmod(p->name, p->mode);
}
if (p->fixup & TODO_ACLS)
archive_write_disk_set_acls(&a->archive, fd,
p->name, &p->acl, p->mode);
if (p->fixup & TODO_FFLAGS)
set_fflags_platform(a, fd, p->name,
p->mode, p->fflags_set, 0);
if (p->fixup & TODO_MAC_METADATA)
set_mac_metadata(a, p->name, p->mac_metadata,
p->mac_metadata_size);
next = p->next;
archive_acl_clear(&p->acl);
free(p->mac_metadata);
free(p->name);
if (fd >= 0)
close(fd);
free(p);
p = next;
}
a->fixup_list = NULL;
return (ret);
} | 0 | 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 | vulnerable |
static int __init ipip_init(void)
{
int err;
printk(banner);
err = register_pernet_device(&ipip_net_ops);
if (err < 0)
return err;
err = xfrm4_tunnel_register(&ipip_handler, AF_INET);
if (err < 0) {
unregister_pernet_device(&ipip_net_ops);
printk(KERN_INFO "ipip init: can't register tunnel\n");
}
return err;
} | 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 |
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-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 |
IW_IMPL(unsigned int) iw_get_ui16le(const iw_byte *b)
{
return (unsigned int)b[0] | ((unsigned int)b[1]<<8);
} | 1 | C | CWE-682 | Incorrect Calculation | The software performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management. | https://cwe.mitre.org/data/definitions/682.html | safe |
void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb)
{
int need_software_tstamp = sock_flag(sk, SOCK_RCVTSTAMP);
struct scm_timestamping tss;
int empty = 1;
struct skb_shared_hwtstamps *shhwtstamps =
skb_hwtstamps(skb);
/* Race occurred between timestamp enabling and packet
receiving. Fill in the current time for now. */
if (need_software_tstamp && skb->tstamp == 0)
__net_timestamp(skb);
if (need_software_tstamp) {
if (!sock_flag(sk, SOCK_RCVTSTAMPNS)) {
struct timeval tv;
skb_get_timestamp(skb, &tv);
put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMP,
sizeof(tv), &tv);
} else {
struct timespec ts;
skb_get_timestampns(skb, &ts);
put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPNS,
sizeof(ts), &ts);
}
}
memset(&tss, 0, sizeof(tss));
if ((sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) &&
ktime_to_timespec_cond(skb->tstamp, tss.ts + 0))
empty = 0;
if (shhwtstamps &&
(sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE) &&
ktime_to_timespec_cond(shhwtstamps->hwtstamp, tss.ts + 2))
empty = 0;
if (!empty) {
put_cmsg(msg, SOL_SOCKET,
SCM_TIMESTAMPING, sizeof(tss), &tss);
if (skb_is_err_queue(skb) && skb->len &&
SKB_EXT_ERR(skb)->opt_stats)
put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPING_OPT_STATS,
skb->len, skb->data);
}
} | 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 |
parse_tsquery(char *buf,
PushFunction pushval,
Datum opaque,
bool isplain)
{
struct TSQueryParserStateData state;
int i;
TSQuery query;
int commonlen;
QueryItem *ptr;
ListCell *cell;
/* init state */
state.buffer = buf;
state.buf = buf;
state.state = (isplain) ? WAITSINGLEOPERAND : WAITFIRSTOPERAND;
state.count = 0;
state.polstr = NIL;
/* init value parser's state */
state.valstate = init_tsvector_parser(state.buffer, true, true);
/* init list of operand */
state.sumlen = 0;
state.lenop = 64;
state.curop = state.op = (char *) palloc(state.lenop);
*(state.curop) = '\0';
/* parse query & make polish notation (postfix, but in reverse order) */
makepol(&state, pushval, opaque);
close_tsvector_parser(state.valstate);
if (list_length(state.polstr) == 0)
{
ereport(NOTICE,
(errmsg("text-search query doesn't contain lexemes: \"%s\"",
state.buffer)));
query = (TSQuery) palloc(HDRSIZETQ);
SET_VARSIZE(query, HDRSIZETQ);
query->size = 0;
return query;
}
/* Pack the QueryItems in the final TSQuery struct to return to caller */
commonlen = COMPUTESIZE(list_length(state.polstr), state.sumlen);
query = (TSQuery) palloc0(commonlen);
SET_VARSIZE(query, commonlen);
query->size = list_length(state.polstr);
ptr = GETQUERY(query);
/* Copy QueryItems to TSQuery */
i = 0;
foreach(cell, state.polstr)
{
QueryItem *item = (QueryItem *) lfirst(cell);
switch (item->type)
{
case QI_VAL:
memcpy(&ptr[i], item, sizeof(QueryOperand));
break;
case QI_VALSTOP:
ptr[i].type = QI_VALSTOP;
break;
case QI_OPR:
memcpy(&ptr[i], item, sizeof(QueryOperator));
break;
default:
elog(ERROR, "unrecognized QueryItem type: %d", item->type);
}
i++;
}
/* Copy all the operand strings to TSQuery */
memcpy((void *) GETOPERAND(query), (void *) state.op, state.sumlen);
pfree(state.op);
/* Set left operand pointers for every operator. */
findoprnd(ptr, query->size);
return query;
} | 0 | 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 | vulnerable |
static void parseTarget(HttpRoute *route, cchar *key, MprJson *prop)
{
cchar *name, *args;
if (prop->type & MPR_JSON_OBJ) {
name = mprReadJson(prop, "operation");
args = mprReadJson(prop, "args");
} else {
name = "run";
args = prop->value;
}
httpSetRouteTarget(route, name, args);
} | 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 |
spnego_gss_export_sec_context(
OM_uint32 *minor_status,
gss_ctx_id_t *context_handle,
gss_buffer_t interprocess_token)
{
OM_uint32 ret;
ret = gss_export_sec_context(minor_status,
context_handle,
interprocess_token);
return (ret);
} | 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 |
void mp_decode_to_lua_array(lua_State *L, mp_cur *c, size_t len) {
assert(len <= UINT_MAX);
int index = 1;
lua_newtable(L);
luaL_checkstack(L, 1, "in function mp_decode_to_lua_array");
while(len--) {
lua_pushnumber(L,index++);
mp_decode_to_lua_type(L,c);
if (c->err) return;
lua_settable(L,-3);
}
} | 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 |
mISDN_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len, int flags)
{
struct sk_buff *skb;
struct sock *sk = sock->sk;
int copied, err;
if (*debug & DEBUG_SOCKET)
printk(KERN_DEBUG "%s: len %d, flags %x ch.nr %d, proto %x\n",
__func__, (int)len, flags, _pms(sk)->ch.nr,
sk->sk_protocol);
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
if (sk->sk_state == MISDN_CLOSED)
return 0;
skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err);
if (!skb)
return err;
if (msg->msg_name) {
struct sockaddr_mISDN *maddr = msg->msg_name;
maddr->family = AF_ISDN;
maddr->dev = _pms(sk)->dev->id;
if ((sk->sk_protocol == ISDN_P_LAPD_TE) ||
(sk->sk_protocol == ISDN_P_LAPD_NT)) {
maddr->channel = (mISDN_HEAD_ID(skb) >> 16) & 0xff;
maddr->tei = (mISDN_HEAD_ID(skb) >> 8) & 0xff;
maddr->sapi = mISDN_HEAD_ID(skb) & 0xff;
} else {
maddr->channel = _pms(sk)->ch.nr;
maddr->sapi = _pms(sk)->ch.addr & 0xFF;
maddr->tei = (_pms(sk)->ch.addr >> 8) & 0xFF;
}
msg->msg_namelen = sizeof(*maddr);
}
copied = skb->len + MISDN_HEADER_LEN;
if (len < copied) {
if (flags & MSG_PEEK)
atomic_dec(&skb->users);
else
skb_queue_head(&sk->sk_receive_queue, skb);
return -ENOSPC;
}
memcpy(skb_push(skb, MISDN_HEADER_LEN), mISDN_HEAD_P(skb),
MISDN_HEADER_LEN);
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
mISDN_sock_cmsg(sk, msg, skb);
skb_free_datagram(sk, skb);
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 |
static int dbConnect(char *host, char *user, char *passwd)
{
DBUG_ENTER("dbConnect");
if (verbose)
{
fprintf(stderr, "# Connecting to %s...\n", host ? host : "localhost");
}
mysql_init(&mysql_connection);
if (opt_compress)
mysql_options(&mysql_connection, MYSQL_OPT_COMPRESS, NullS);
#ifdef HAVE_OPENSSL
if (opt_use_ssl)
{
mysql_ssl_set(&mysql_connection, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
opt_ssl_capath, opt_ssl_cipher);
mysql_options(&mysql_connection, MYSQL_OPT_SSL_CRL, opt_ssl_crl);
mysql_options(&mysql_connection, MYSQL_OPT_SSL_CRLPATH, opt_ssl_crlpath);
}
#endif
if (opt_protocol)
mysql_options(&mysql_connection,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
if (opt_bind_addr)
mysql_options(&mysql_connection, MYSQL_OPT_BIND, opt_bind_addr);
#if defined (_WIN32) && !defined (EMBEDDED_LIBRARY)
if (shared_memory_base_name)
mysql_options(&mysql_connection,MYSQL_SHARED_MEMORY_BASE_NAME,shared_memory_base_name);
#endif
if (opt_plugin_dir && *opt_plugin_dir)
mysql_options(&mysql_connection, MYSQL_PLUGIN_DIR, opt_plugin_dir);
if (opt_default_auth && *opt_default_auth)
mysql_options(&mysql_connection, MYSQL_DEFAULT_AUTH, opt_default_auth);
mysql_options(&mysql_connection, MYSQL_SET_CHARSET_NAME, default_charset);
mysql_options(&mysql_connection, MYSQL_OPT_CONNECT_ATTR_RESET, 0);
mysql_options4(&mysql_connection, MYSQL_OPT_CONNECT_ATTR_ADD,
"program_name", "mysqlcheck");
if (!(sock = mysql_real_connect(&mysql_connection, host, user, passwd,
NULL, opt_mysql_port, opt_mysql_unix_port, 0)))
{
DBerror(&mysql_connection, "when trying to connect");
DBUG_RETURN(1);
}
mysql_connection.reconnect= 1;
DBUG_RETURN(0);
} /* dbConnect */ | 0 | C | CWE-295 | Improper Certificate Validation | The software does not validate, or incorrectly validates, a certificate. | https://cwe.mitre.org/data/definitions/295.html | vulnerable |
int main(int argc, char *argv[])
{
libettercap_init();
ef_globals_alloc();
select_text_interface();
libettercap_ui_init();
/* etterfilter copyright */
fprintf(stdout, "\n" EC_COLOR_BOLD "%s %s" EC_COLOR_END " copyright %s %s\n\n",
PROGRAM, EC_VERSION, EC_COPYRIGHT, EC_AUTHORS);
/* initialize the line number */
EF_GBL->lineno = 1;
/* getopt related parsing... */
parse_options(argc, argv);
/* set the input for source file */
if (EF_GBL_OPTIONS->source_file) {
yyin = fopen(EF_GBL_OPTIONS->source_file, "r");
if (yyin == NULL)
FATAL_ERROR("Input file not found !");
} else {
FATAL_ERROR("No source file.");
}
/* no buffering */
setbuf(yyin, NULL);
setbuf(stdout, NULL);
setbuf(stderr, NULL);
/* load the tables in etterfilter.tbl */
load_tables();
/* load the constants in etterfilter.cnt */
load_constants();
/* print the message */
fprintf(stdout, "\n Parsing source file \'%s\' ", EF_GBL_OPTIONS->source_file);
fflush(stdout);
ef_debug(1, "\n");
/* begin the parsing */
if (yyparse() == 0)
fprintf(stdout, " done.\n\n");
else
fprintf(stdout, "\n\nThe script contains errors...\n\n");
/* write to file */
if (write_output() != E_SUCCESS)
FATAL_ERROR("Cannot write output file (%s)", EF_GBL_OPTIONS->output_file);
ef_globals_free();
return 0;
} | 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 mwifiex_pcie_init_evt_ring(struct mwifiex_adapter *adapter)
{
struct pcie_service_card *card = adapter->card;
struct mwifiex_evt_buf_desc *desc;
struct sk_buff *skb;
dma_addr_t buf_pa;
int i;
for (i = 0; i < MWIFIEX_MAX_EVT_BD; i++) {
/* Allocate skb here so that firmware can DMA data from it */
skb = dev_alloc_skb(MAX_EVENT_SIZE);
if (!skb) {
mwifiex_dbg(adapter, ERROR,
"Unable to allocate skb for EVENT buf.\n");
kfree(card->evtbd_ring_vbase);
return -ENOMEM;
}
skb_put(skb, MAX_EVENT_SIZE);
if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE,
PCI_DMA_FROMDEVICE)) {
kfree_skb(skb);
kfree(card->evtbd_ring_vbase);
return -1;
}
buf_pa = MWIFIEX_SKB_DMA_ADDR(skb);
mwifiex_dbg(adapter, EVENT,
"info: EVT ring: skb=%p len=%d data=%p buf_pa=%#x:%x\n",
skb, skb->len, skb->data, (u32)buf_pa,
(u32)((u64)buf_pa >> 32));
card->evt_buf_list[i] = skb;
card->evtbd_ring[i] = (void *)(card->evtbd_ring_vbase +
(sizeof(*desc) * i));
desc = card->evtbd_ring[i];
desc->paddr = buf_pa;
desc->len = (u16)skb->len;
desc->flags = 0;
}
return 0;
} | 1 | C | CWE-401 | Missing Release of Memory after Effective Lifetime | The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. | https://cwe.mitre.org/data/definitions/401.html | safe |
static int handle_emulation_failure(struct kvm_vcpu *vcpu)
{
int r = EMULATE_DONE;
++vcpu->stat.insn_emulation_fail;
trace_kvm_emulate_insn_failed(vcpu);
if (!is_guest_mode(vcpu) && kvm_x86_ops->get_cpl(vcpu) == 0) {
vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
vcpu->run->internal.ndata = 0;
r = EMULATE_FAIL;
}
kvm_queue_exception(vcpu, UD_VECTOR);
return r;
} | 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 |
static HashTable *spl_array_get_gc(zval *object, zval ***gc_data, int *gc_data_count TSRMLS_DC) /* {{{ */
{
spl_array_object *intern = (spl_array_object*)zend_object_store_get_object(object TSRMLS_CC);
*gc_data = &intern->array;
*gc_data_count = 1;
return zend_std_get_properties(object);
} | 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 int udf_load_sparable_map(struct super_block *sb,
struct udf_part_map *map,
struct sparablePartitionMap *spm)
{
uint32_t loc;
uint16_t ident;
struct sparingTable *st;
struct udf_sparing_data *sdata = &map->s_type_specific.s_sparing;
int i;
struct buffer_head *bh;
map->s_partition_type = UDF_SPARABLE_MAP15;
sdata->s_packet_len = le16_to_cpu(spm->packetLength);
if (!is_power_of_2(sdata->s_packet_len)) {
udf_err(sb, "error loading logical volume descriptor: "
"Invalid packet length %u\n",
(unsigned)sdata->s_packet_len);
return -EIO;
}
if (spm->numSparingTables > 4) {
udf_err(sb, "error loading logical volume descriptor: "
"Too many sparing tables (%d)\n",
(int)spm->numSparingTables);
return -EIO;
}
for (i = 0; i < spm->numSparingTables; i++) {
loc = le32_to_cpu(spm->locSparingTable[i]);
bh = udf_read_tagged(sb, loc, loc, &ident);
if (!bh)
continue;
st = (struct sparingTable *)bh->b_data;
if (ident != 0 ||
strncmp(st->sparingIdent.ident, UDF_ID_SPARING,
strlen(UDF_ID_SPARING)) ||
sizeof(*st) + le16_to_cpu(st->reallocationTableLen) >
sb->s_blocksize) {
brelse(bh);
continue;
}
sdata->s_spar_map[i] = bh;
}
map->s_partition_func = udf_get_pblock_spar15;
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 PyObject *__pyx_pf_17clickhouse_driver_14bufferedreader_14BufferedReader_2read_into_buffer(CYTHON_UNUSED struct __pyx_obj_17clickhouse_driver_14bufferedreader_BufferedReader *__pyx_v_self) {
PyObject *__pyx_r = NULL;
__Pyx_RefNannyDeclarations
__Pyx_RefNannySetupContext("read_into_buffer", 0);
/* "clickhouse_driver/bufferedreader.pyx":23
*
* def read_into_buffer(self):
* raise NotImplementedError # <<<<<<<<<<<<<<
*
* def read(self, Py_ssize_t unread):
*/
__Pyx_Raise(__pyx_builtin_NotImplementedError, 0, 0, 0);
__PYX_ERR(0, 23, __pyx_L1_error)
/* "clickhouse_driver/bufferedreader.pyx":22
* super(BufferedReader, self).__init__()
*
* def read_into_buffer(self): # <<<<<<<<<<<<<<
* raise NotImplementedError
*
*/
/* function exit code */
__pyx_L1_error:;
__Pyx_AddTraceback("clickhouse_driver.bufferedreader.BufferedReader.read_into_buffer", __pyx_clineno, __pyx_lineno, __pyx_filename);
__pyx_r = NULL;
__Pyx_XGIVEREF(__pyx_r);
__Pyx_RefNannyFinishContext();
return __pyx_r;
} | 0 | 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 | vulnerable |
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-415 | Double Free | The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. | https://cwe.mitre.org/data/definitions/415.html | vulnerable |
static size_t send_control_msg(VirtIOSerial *vser, void *buf, size_t len)
{
VirtQueueElement elem;
VirtQueue *vq;
vq = vser->c_ivq;
if (!virtio_queue_ready(vq)) {
return 0;
}
if (!virtqueue_pop(vq, &elem)) {
return 0;
}
/* TODO: detect a buffer that's too short, set NEEDS_RESET */
iov_from_buf(elem.in_sg, elem.in_num, 0, buf, len);
virtqueue_push(vq, &elem, len);
virtio_notify(VIRTIO_DEVICE(vser), vq);
return len;
} | 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 |
pci_get_cfgdata8(struct pci_vdev *dev, int offset)
{
assert(offset <= PCI_REGMAX);
return (*(uint8_t *)(dev->cfgdata + offset));
} | 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 gitn_box_del(GF_Box *s)
{
u32 i;
GroupIdToNameBox *ptr = (GroupIdToNameBox *)s;
if (ptr == NULL) return;
if (ptr->entries) {
for (i=0; i<ptr->nb_entries; i++) {
if (ptr->entries[i].name) gf_free(ptr->entries[i].name);
}
gf_free(ptr->entries);
}
gf_free(ptr); | 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 xar_get_numeric_from_xml_element(xmlTextReaderPtr reader, size_t * value)
{
const xmlChar * numstr;
ssize_t numval;
if (xmlTextReaderRead(reader) == 1 && xmlTextReaderNodeType(reader) == XML_READER_TYPE_TEXT) {
numstr = xmlTextReaderConstValue(reader);
if (numstr) {
numval = atol((const char *)numstr);
if (numval < 0) {
cli_dbgmsg("cli_scanxar: XML element value %li\n", *value);
return CL_EFORMAT;
}
*value = numval;
return CL_SUCCESS;
}
}
cli_dbgmsg("cli_scanxar: No text for XML element\n");
return CL_EFORMAT;
} | 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 struct ion_handle *ion_handle_get_by_id(struct ion_client *client,
int id)
{
struct ion_handle *handle;
mutex_lock(&client->lock);
handle = idr_find(&client->idr, id);
if (handle)
ion_handle_get(handle);
mutex_unlock(&client->lock);
return handle ? handle : ERR_PTR(-EINVAL);
} | 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 |
qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
const char *fmt, ...)
{
va_list va;
struct va_format vaf;
char nfunc[32];
memset(nfunc, 0, sizeof(nfunc));
memcpy(nfunc, func, sizeof(nfunc) - 1);
va_start(va, fmt);
vaf.fmt = fmt;
vaf.va = &va;
if (!(qedi_dbg_log & QEDI_LOG_WARN))
goto ret;
if (likely(qedi) && likely(qedi->pdev))
pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&qedi->pdev->dev),
nfunc, line, qedi->host_no, &vaf);
else
pr_warn("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);
ret:
va_end(va);
} | 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 inline void native_tss_invalidate_io_bitmap(void)
{
/*
* Invalidate the I/O bitmap by moving io_bitmap_base outside the
* TSS limit so any subsequent I/O access from user space will
* trigger a #GP.
*
* This is correct even when VMEXIT rewrites the TSS limit
* to 0x67 as the only requirement is that the base points
* outside the limit.
*/
this_cpu_write(cpu_tss_rw.x86_tss.io_bitmap_base,
IO_BITMAP_OFFSET_INVALID);
} | 1 | 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 | safe |
static void usage(void)
{
PRINT_VERSION;
puts("Copyright (c) 2011, 2015, Oracle and/or its affiliates. "
"All rights reserved.\n");
puts("Enable or disable plugins.");
printf("\nUsage: %s [options] <plugin> ENABLE|DISABLE\n\nOptions:\n",
my_progname);
my_print_help(my_long_options);
puts("\n");
} | 1 | C | NVD-CWE-noinfo | null | null | null | safe |
process_plane(uint8 * in, int width, int height, uint8 * out, int size)
{
UNUSED(size);
int indexw;
int indexh;
int code;
int collen;
int replen;
int color;
int x;
int revcode;
uint8 * last_line;
uint8 * this_line;
uint8 * org_in;
uint8 * org_out;
org_in = in;
org_out = out;
last_line = 0;
indexh = 0;
while (indexh < height)
{
out = (org_out + width * height * 4) - ((indexh + 1) * width * 4);
color = 0;
this_line = out;
indexw = 0;
if (last_line == 0)
{
while (indexw < width)
{
code = CVAL(in);
replen = code & 0xf;
collen = (code >> 4) & 0xf;
revcode = (replen << 4) | collen;
if ((revcode <= 47) && (revcode >= 16))
{
replen = revcode;
collen = 0;
}
while (collen > 0)
{
color = CVAL(in);
*out = color;
out += 4;
indexw++;
collen--;
}
while (replen > 0)
{
*out = color;
out += 4;
indexw++;
replen--;
}
}
}
else
{
while (indexw < width)
{
code = CVAL(in);
replen = code & 0xf;
collen = (code >> 4) & 0xf;
revcode = (replen << 4) | collen;
if ((revcode <= 47) && (revcode >= 16))
{
replen = revcode;
collen = 0;
}
while (collen > 0)
{
x = CVAL(in);
if (x & 1)
{
x = x >> 1;
x = x + 1;
color = -x;
}
else
{
x = x >> 1;
color = x;
}
x = last_line[indexw * 4] + color;
*out = x;
out += 4;
indexw++;
collen--;
}
while (replen > 0)
{
x = last_line[indexw * 4] + color;
*out = x;
out += 4;
indexw++;
replen--;
}
}
}
indexh++;
last_line = this_line;
}
return (int) (in - org_in);
} | 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 |
int au1100fb_fb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
{
struct au1100fb_device *fbdev;
unsigned int len;
unsigned long start=0, off;
fbdev = to_au1100fb_device(fbi);
if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
return -EINVAL;
}
start = fbdev->fb_phys & PAGE_MASK;
len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
off = vma->vm_pgoff << PAGE_SHIFT;
if ((vma->vm_end - vma->vm_start + off) > len) {
return -EINVAL;
}
off += start;
vma->vm_pgoff = off >> PAGE_SHIFT;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6
if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
vma->vm_end - vma->vm_start,
vma->vm_page_prot)) {
return -EAGAIN;
}
return 0;
} | 0 | 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 | vulnerable |
void __init clear_bss(void)
{
memset(__bss_start, 0,
(unsigned long) __bss_stop - (unsigned long) __bss_start);
} | 1 | C | NVD-CWE-noinfo | null | null | null | safe |
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