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| author | Darren Tucker <dtucker@zip.com.au> | 2009-06-21 19:00:20 +1000 |
|---|---|---|
| committer | Darren Tucker <dtucker@zip.com.au> | 2009-06-21 19:00:20 +1000 |
| commit | 6ae35ac5762b6abcbd416e7db9246e730b401f10 (patch) | |
| tree | bbb2d11b32d447355ef49ff3bfe42488e0d613d1 /kexgexs.c | |
| parent | 7b935c79f4f31da21989cc441caee247af417b3b (diff) | |
| download | openssh-git-6ae35ac5762b6abcbd416e7db9246e730b401f10.tar.gz | |
- dtucker@cvs.openbsd.org 2009/06/21 07:37:15
[kexdhs.c kexgexs.c]
abort if key_sign fails, preventing possible null deref. Based on report
from Paolo Ganci, ok markus@ djm@
Diffstat (limited to 'kexgexs.c')
| -rw-r--r-- | kexgexs.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: kexgexs.c,v 1.11 2009/01/01 21:17:36 djm Exp $ */ +/* $OpenBSD: kexgexs.c,v 1.12 2009/06/21 07:37:15 dtucker Exp $ */ /* * Copyright (c) 2000 Niels Provos. All rights reserved. * Copyright (c) 2001 Markus Friedl. All rights reserved. @@ -179,7 +179,9 @@ kexgex_server(Kex *kex) } /* sign H */ - PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, hashlen)); + if (PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, + hashlen)) < 0) + fatal("kexgex_server: key_sign failed"); /* destroy_sensitive_data(); */ |