mirrors/wolfssl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #2666 from SparkiDev/b64_dec_fix

Browse Source 
Bade64_Decode - check out length (malformed input)
This commit is contained in:
toddouska 2019-12-18 09:30:41 -08:00 committed by GitHub
commit 74a8fbcff4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
wolfcrypt/src/coding.c
View File

@ -93,6 +93,11 @@ int Base64_Decode(const byte* in, word32 inLen, byte* out, word32* outLen)
return ASN_INPUT_E;
}
if (i + 1 + !pad3 + !pad4 > *outLen) {
WOLFSSL_MSG("Bad Base64 Decode out buffer, too small");
return BAD_FUNC_ARG;
}
e1 = base64Decode[e1 - BASE64_MIN];
e2 = base64Decode[e2 - BASE64_MIN];
e3 = (e3 == PAD) ? 0 : base64Decode[e3 - BASE64_MIN];