Check for V_ASN1_BOOLEAN/V_ASN1_NULL in X509_ATTRIBUTE_get0_data
The member value.ptr is undefined for those ASN1 types.
@@ -314,7 +314,9 @@ void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
if (!ttmp)
return NULL;
- if (atrtype != ASN1_TYPE_get(ttmp)) {
+ if (atrtype == V_ASN1_BOOLEAN
+ || atrtype == V_ASN1_NULL
+ || atrtype != ASN1_TYPE_get(ttmp)) {
X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE);
return NULL;
}
