diff options
| author | liuxueli <[email protected]> | 2021-10-26 15:50:10 +0800 |
|---|---|---|
| committer | liuxueli <[email protected]> | 2021-10-26 15:50:10 +0800 |
| commit | 88c426204b11a05a4e452647c3fed9e736286051 (patch) | |
| tree | c5751da4e76e3a4c4cfb3d703293bc98de848be8 /src | |
| parent | 99e3b104e2027fd49ed47a243f65dca0bb17a65f (diff) | |
TSG-8210: 增加对extension字段的长度进行判断，避免处理异常时出现memcpy越界v2.0.5
Diffstat (limited to 'src')
| -rw-r--r-- | src/SSL_Message.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/SSL_Message.c b/src/SSL_Message.c index 4fcbc5b..b259797 100644 --- a/src/SSL_Message.c +++ b/src/SSL_Message.c @@ -306,7 +306,7 @@ UCHAR ssl_analyseHandShake(char *pcSslData, int iAllMsgLen, int iSslUnAnalyseL a_ssl_stream->stClientHello->exts[i].len = (unsigned short)BtoL2BytesNum(pcCurSslData); pcCurSslData += sizeof(a_ssl_stream->stClientHello->exts[i].len); iUnAnaHelloLen -= sizeof(a_ssl_stream->stClientHello->exts[i].len); - if(iUnAnaHelloLen<0) + if(iUnAnaHelloLen<0 || a_ssl_stream->stClientHello->exts[i].len>iUnAnaHelloLen) { return SSL_RETURN_DROPME; } |