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[OSSA 2012-017] Authentication bypass for image deletion (CVE-2012-4573)
From: Russell Bryant <rbryant () redhat com>
Date: Wed, 07 Nov 2012 17:10:07 -0500

OpenStack Security Advisory: 2012-017
CVE: CVE-2012-4573
Date: November 7, 2012
Title: Authentication bypass for image deletion
Impact: High
Reporter: Gabe Westmaas (Rackspace)
Products: Glance
Affects: Essex, Folsom, Grizzly

Description:
Gabe Westmaas from Rackspace reported a vulnerability in Glance
authentication of image deletion requests. Authenticated users may be
able to delete arbitrary, non-protected images from Glance servers. Only
Folsom/Grizzly deployments that expose the v1 API are affected by this
vulnerability. Additionally, Essex deployments that use the
delayed_delete option are also affected.

Fixes:
Grizzly:
https://github.com/openstack/glance/commit/6ab0992e5472ae3f9bef0d2ced41030655d9d2bc
2012.2 (Folsom):
https://github.com/openstack/glance/commit/90bcdc5a89e350a358cf320a03f5afe99795f6f6
2012.1 (Essex): https://review.openstack.org/#/c/15562/

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=2012-4573
https://bugs.launchpad.net/glance/+bug/1065187

Notes:
This fix will be included in the grizzly-1 development milestone and in
a future 2012.2 (Folsom) release.

-- 
Russell Bryant
OpenStack Vulnerability Management Team


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