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ikev1: Properly initialize list of fragments in case fragment ID is 0

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Fixes CVE-2013-6076.
This commit is contained in:
Volker Rümelin
2013-10-31 21:58:42 +01:00
committed by Andreas Steffen
parent 7f4a13fffb
commit 643da9d2e6
1 changed files with 1 additions and 1 deletions
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src/libcharon/sa/ikev1/task_manager_v1.c
+1 -1
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@@ -1273,7 +1273,7 @@ static status_t handle_fragment(private_task_manager_t *this, message_t *msg)
return FAILED; 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)); clear_fragments(this, payload->get_id(payload));
this->frag.list = linked_list_create(); this->frag.list = linked_list_create();