feedc0de/wolfssl
1
0
Fork 0
forked from wolfSSL/wolfssl
Code Pull Requests Activity

add sanity check on read index

Browse Source
This commit is contained in:
Jacob Barthelmeh
2018-03-01 09:28:08 -07:00
parent d46a2b449d
commit e7b0fefd7a
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
wolfcrypt/src/asn.c
View File

@@ -3482,6 +3482,9 @@ int wc_RsaPublicKeyDecode(const byte* input, word32* inOutIdx, RsaKey* key,
return ASN_PARSE_E; return ASN_PARSE_E;
/* Option NULL ASN.1 tag */ /* Option NULL ASN.1 tag */
if (*inOutIdx >= inSz) {
return BUFFER_E;
}
if (input[*inOutIdx] == ASN_TAG_NULL) { if (input[*inOutIdx] == ASN_TAG_NULL) {
ret = GetASNNull(input, inOutIdx, inSz); ret = GetASNNull(input, inOutIdx, inSz);
if (ret != 0) if (ret != 0)