diff options
| author | Stefan Metzmacher <metze@samba.org> | 2013-10-16 16:26:58 +0200 |
|---|---|---|
| committer | Karolin Seeger <kseeger@samba.org> | 2013-12-05 10:18:09 +0100 |
| commit | da5dfc7617794e8ca1faaef73f5d78ea73dcfb90 (patch) | |
| tree | f6a5a89ff6e412b841a483516ab762225c5024c9 /source3/lib | |
| parent | bdb643e9cbd4df6c8d6868015d61441cb67dcd66 (diff) | |
| download | samba-da5dfc7617794e8ca1faaef73f5d78ea73dcfb90.tar.gz | |
CVE-2013-4408:s3:ctdb_conn: add some length verification to ctdb_packet_more()
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10185
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'source3/lib')
| -rw-r--r-- | source3/lib/ctdb_conn.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source3/lib/ctdb_conn.c b/source3/lib/ctdb_conn.c index 90930eb86b..40071d4e5c 100644 --- a/source3/lib/ctdb_conn.c +++ b/source3/lib/ctdb_conn.c @@ -233,6 +233,11 @@ static ssize_t ctdb_packet_more(uint8_t *buf, size_t buflen, void *p) return 0; } memcpy(&len, buf, sizeof(len)); + + if (len < sizeof(uint32_t)) { + return -1; + } + return (len - sizeof(uint32_t)); } |