diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2012-01-04 23:16:15 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2012-01-04 23:16:15 +0000 |
| commit | 27dfffd5b75ee1db114e32f6dc73e266513889c5 (patch) | |
| tree | 6a006322ef5576786141a4415c735a8d688fd667 /ssl/s3_enc.c | |
| parent | d0dc991c6228564212ace119440a9ac5f21578bc (diff) | |
Clear bytes used for block padding of SSL 3.0 records. (CVE-2011-4576)
Diffstat (limited to 'ssl/s3_enc.c')
| -rw-r--r-- | ssl/s3_enc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ssl/s3_enc.c b/ssl/s3_enc.c index 0ddfe192bc..c5df2cb90a 100644 --- a/ssl/s3_enc.c +++ b/ssl/s3_enc.c @@ -512,6 +512,9 @@ int ssl3_enc(SSL *s, int send) /* we need to add 'i-1' padding bytes */ l+=i; + /* the last of these zero bytes will be overwritten + * with the padding length. */ + memset(&rec->input[rec->length], 0, i); rec->length+=i; rec->input[l-1]=(i-1); } |