diff options
| author | tobhe <tobhe@cvs.openbsd.org> | 2021-04-03 21:29:15 +0000 |
|---|---|---|
| committer | tobhe <tobhe@cvs.openbsd.org> | 2021-04-03 21:29:15 +0000 |
| commit | d597ac657d79619be0e9c45f6da786390af3e808 (patch) | |
| tree | c2cc9d2364622bd9be022f48fa32fc0906edc33e | |
| parent | f16767e59e81e94caa4b013214ee95505a93d921 (diff) | |
Add size check for sockaddr mask.
| -rw-r--r-- | sbin/iked/vroute.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sbin/iked/vroute.c b/sbin/iked/vroute.c index 8538edcf415..daca91deca8 100644 --- a/sbin/iked/vroute.c +++ b/sbin/iked/vroute.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vroute.c,v 1.7 2021/03/25 01:39:09 tobhe Exp $ */ +/* $OpenBSD: vroute.c,v 1.8 2021/04/03 21:29:14 tobhe Exp $ */ /* * Copyright (c) 2021 Tobias Heider <tobhe@openbsd.org> @@ -108,6 +108,8 @@ vroute_getaddr(struct iked *env, struct imsg *imsg) ptr += addr->sa_len; left -= addr->sa_len; + if (left < sizeof(*mask)) + fatalx("bad length imsg received"); mask = (struct sockaddr *) ptr; if (mask->sa_family != af) return (-1); |