===================================================================== OSSA-2015-011: Cinder host file disclosure through qcow2 backing file =====================================================================

:Date: June 16, 2015 :CVE: CVE-2015-1850

Affects ~~~~~~~ - Cinder: versions through 2014.1.4, and 2014.2 versions through 2014.2.3, and version 2015.1.0

Description ~~~~~~~~~~~ Bastian Blank from credativ reported a vulnerability in Cinder. By overwriting an image with a malicious qcow2 header, an authenticated user may mislead Cinder upload-to-image action, resulting in disclosure of any file from the Cinder server. All Cinder setups are affected.

Patches ~~~~~~~ - https://review.openstack.org/191871 (Icehouse) - https://review.openstack.org/191865 (Juno) - https://review.openstack.org/191786 (Kilo) - https://review.openstack.org/191785 (Liberty)

Credits ~~~~~~~ - Bastian Blank from Credativ (CVE-2015-1850)

References ~~~~~~~~~~ - https://launchpad.net/bugs/1415087 - http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1850

Notes ~~~~~ - This fix will be included in future 2014.1.5 (icehouse), 2014.2.4 (juno) and 2015.1.1 (kilo) releases.

-- Tristan Cacqueray OpenStack Vulnerability Management Team