USN-2293-1: CUPS vulnerability
Ubuntu Security Notice USN-2293-1
21st July, 2014
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
CUPS could be made to expose sensitive information, leading to privilege escalation.
- cups - Common UNIX Printing System(tm)
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.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 14.04 LTS:
- cups 1.7.2-0ubuntu1.1
- Ubuntu 12.04 LTS:
- cups 1.5.3-0ubuntu8.4
- Ubuntu 10.04 LTS:
- cups 1.4.3-1ubuntu1.12
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.