From d8867a8452eece3fffab29605f48e6bed47c42d4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Volker=20R=C3=BCmelin?= Date: Fri, 11 Oct 2013 09:38:24 +0200 Subject: [PATCH] ikev1: Properly initialize list of fragments in case fragment ID is 0 Fixes CVE-2013-6076. --- src/libcharon/sa/ikev1/task_manager_v1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/libcharon/sa/ikev1/task_manager_v1.c b/src/libcharon/sa/ikev1/task_manager_v1.c index 6d4ef14..597416e 100644 --- a/src/libcharon/sa/ikev1/task_manager_v1.c +++ b/src/libcharon/sa/ikev1/task_manager_v1.c @@ -1273,7 +1273,7 @@ static status_t handle_fragment(private_task_manager_t *this, message_t *msg) return FAILED; } - if (this->frag.id != payload->get_id(payload)) + if (!this->frag.list || this->frag.id != payload->get_id(payload)) { clear_fragments(this, payload->get_id(payload)); this->frag.list = linked_list_create(); -- 1.8.1.2