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Date: Wed, 11 Dec 2013 15:47:36 +0000
From: Jeremy Stanley <>
Subject: [OSSA 2013-034] Heat CFN policy rules not all enforced

OpenStack Security Advisory: 2013-034
CVE: CVE-2013-6426
Date: December 11, 2013
Title: Heat CFN policy rules not all enforced
Reporter: Steven Hardy (Red Hat)
Products: Heat
Affects: All supported releases

Steven Hardy from Red Hat reported a vulnerability in Heat's default
API policy enforcement. By calling the CreateStack or UpdateStack
methods, an in-instance user may be able to create or update a stack
in violation of the default policy. Only setups using Heat's
cloudformation-compatible API are affected.

Icehouse (development branch) fix:

Havana fix:

This fix will be included in the icehouse-2 development milestone
and in a future 2013.2.1 release.


Jeremy Stanley
OpenStack Vulnerability Management Team

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