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

ParseCert: check index in DecodeSubtree before accessing tag

Browse Source
This commit is contained in:
Sean Parkinson
2022-01-24 12:30:48 +10:00
parent 198843aa34
commit 1dd213db76
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
wolfcrypt/src/asn.c
View File

@@ -15968,6 +15968,12 @@ static int DecodeSubtree(const byte* input, int sz, Base_entry** head,
WOLFSSL_MSG("\tfail: should be a SEQUENCE");
return ASN_PARSE_E;
}
if (idx >= (word32)sz) {
WOLFSSL_MSG("\tfail: expecting tag");
return ASN_PARSE_E;
}
nameIdx = idx;
b = input[nameIdx++];