CVE-2013-4463 Information

Description

OpenStack Compute (Nova) Folsom Grizzly and Havana does not properly verify the virtual size of a QCOW2 image which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image. NOTE: this issue is due to an incomplete fix for CVE-2013-2096.

Reference

http://rhn.redhat.com/errata/RHSA-2014-0112.html http://www.openwall.com/lists/oss-security/2013/10/31/3 http://www.ubuntu.com/usn/USN-2247-1 https://bugs.launchpad.net/nova/+bug/1206081