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authordjm@openbsd.org <djm@openbsd.org>2015-02-25 17:29:38 +0000
committerDamien Miller <djm@mindrot.org>2015-02-26 04:32:08 +1100
commit6f621603f9cff2a5d6016a404c96cb2f8ac2dec0 (patch)
tree636d95b7019b04ec8b4371e27f4a6844b93b7dad /auth.c
parent6288e3a935494df12519164f52ca5c8c65fc3ca5 (diff)
upstream commit
don't leak validity of user in "too many authentication failures" disconnect message; reported by Sebastian Reitenbach
Diffstat (limited to 'auth.c')
-rw-r--r--auth.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/auth.c b/auth.c
index facc962b2..f9b767301 100644
--- a/auth.c
+++ b/auth.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: auth.c,v 1.109 2015/01/20 23:14:00 deraadt Exp $ */ 1/* $OpenBSD: auth.c,v 1.110 2015/02/25 17:29:38 djm Exp $ */
2/* 2/*
3 * Copyright (c) 2000 Markus Friedl. All rights reserved. 3 * Copyright (c) 2000 Markus Friedl. All rights reserved.
4 * 4 *
@@ -331,13 +331,14 @@ auth_log(Authctxt *authctxt, int authenticated, int partial,
331void 331void
332auth_maxtries_exceeded(Authctxt *authctxt) 332auth_maxtries_exceeded(Authctxt *authctxt)
333{ 333{
334 packet_disconnect("Too many authentication failures for " 334 error("maximum authentication attempts exceeded for "
335 "%s%.100s from %.200s port %d %s", 335 "%s%.100s from %.200s port %d %s",
336 authctxt->valid ? "" : "invalid user ", 336 authctxt->valid ? "" : "invalid user ",
337 authctxt->user, 337 authctxt->user,
338 get_remote_ipaddr(), 338 get_remote_ipaddr(),
339 get_remote_port(), 339 get_remote_port(),
340 compat20 ? "ssh2" : "ssh1"); 340 compat20 ? "ssh2" : "ssh1");
341 packet_disconnect("Too many authentication failures");
341 /* NOTREACHED */ 342 /* NOTREACHED */
342} 343}
343 344