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-rw-r--r--usr.bin/ssh/gss-serv.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.bin/ssh/gss-serv.c b/usr.bin/ssh/gss-serv.c
index 5dc73f1513c..1bbc988a69f 100644
--- a/usr.bin/ssh/gss-serv.c
+++ b/usr.bin/ssh/gss-serv.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: gss-serv.c,v 1.22 2008/05/08 12:02:23 djm Exp $ */
+/* $OpenBSD: gss-serv.c,v 1.23 2011/08/01 19:18:15 markus Exp $ */
/*
* Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
@@ -225,6 +225,8 @@ ssh_gssapi_parse_ename(Gssctxt *ctx, gss_buffer_t ename, gss_buffer_t name)
name->length = get_u32(tok+offset);
offset += 4;
+ if (UINT_MAX - offset < name->length)
+ return GSS_S_FAILURE;
if (ename->length < offset+name->length)
return GSS_S_FAILURE;