=========================================================== OSSA-2016-007: Nova host data leak through resize/migration =========================================================== :Date: March 08, 2016 :CVE: CVE-2016-2140 Affects ~~~~~~~ - Nova: <=2015.1.3, >=12.0.0 <=12.0.2 Description ~~~~~~~~~~~ Matthew Booth from Red Hat reported a vulnerability in Nova instance resize/migration. By overwriting an ephemeral or root disk with a malicious image before requesting a resize, an authenticated user may be able to read arbitrary files from the compute host. Only setups using libvirt driver with raw storage and setting "use_cow_images = False" (not default) are affected. Patches ~~~~~~~ - https://review.openstack.org/289960 (Kilo) - https://review.openstack.org/289958 (Liberty) - https://review.openstack.org/289957 (Mitaka) Credits ~~~~~~~ - Matthew Booth from Red Hat (CVE-2016-2140) References ~~~~~~~~~~ - https://bugs.launchpad.net/bugs/1548450 - http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2140 Notes ~~~~~ - This fix will be included in future 2015.1.3 (kilo) and 12.0.3 (liberty) releases. -- Tristan Cacqueray OpenStack Vulnerability Management Team -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 473 bytes Desc: OpenPGP digital signature URL: <http://lists.openstack.org/pipermail/openstack/attachments/20160308/0eaa6580/attachment.sig>