USN-2082-1: CUPS vulnerability

15 January 2014

cups vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 13.10
  • Ubuntu 13.04
  • Ubuntu 12.10

Summary

CUPS could be made to expose sensitive information.

Software Description

  • cups - Common UNIX Printing System™

Details

Jann Horn discovered that the CUPS lppasswd tool incorrectly read a user configuration file in certain configurations. A local attacker could use this to read sensitive information from certain files, bypassing access restrictions.

Update instructions

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

Ubuntu 13.10
cups-client - 1.7.0~rc1-0ubuntu5.2
Ubuntu 13.04
cups-client - 1.6.2-1ubuntu8
Ubuntu 12.10
cups-client - 1.6.1-0ubuntu11.5

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.

References