USN-2341-1: CUPS vulnerabilities

Publication date

8 September 2014

Overview

CUPS could be made to expose sensitive information, leading to privilege escalation.


Packages

  • cups - Common UNIX Printing System(tm)

Details

Salvatore Bonaccorso discovered that the CUPS web interface incorrectly
validated permissions and incorrectly handled symlinks. An attacker could
possibly use this issue to bypass file permissions and read arbitrary
files, possibly leading to a privilege escalation.

Salvatore Bonaccorso discovered that the CUPS web interface incorrectly
validated permissions and incorrectly handled symlinks. An attacker could
possibly use this issue to bypass file permissions and read arbitrary
files, possibly leading to a privilege escalation.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
14.04 trusty cups –  1.7.2-0ubuntu1.2
12.04 precise cups –  1.5.3-0ubuntu8.5
10.04 lucid cups –  1.4.3-1ubuntu1.13

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