Ubuntu Update for cups USN-2293-1

Solution
Please Install the Updated Packages.
Insight
Francisco Alonso discovered that the CUPS web interface incorrectly validated permissions on rss files. A local attacker could possibly use this issue to bypass file permissions and read arbitrary files, possibly leading to a privilege escalation.
Affected
cups on Ubuntu 14.04 LTS , Ubuntu 12.04 LTS , Ubuntu 10.04 LTS
References