Ubuntu Update for nova USN-1734-1

Solution
Please Install the Updated Packages.
Insight
Joshua Harlow discovered that Nova would allow XML entity processing. A remote unauthenticated attacker could exploit this using the Nova API to cause a denial of service via resource exhaustion. (CVE-2013-1664)
Affected
nova on Ubuntu 12.10 , Ubuntu 12.04 LTS , Ubuntu 11.10
References