Ubuntu: 1662-1: APT vulnerability
Posted by Benjamin D. Thomas   
Ubuntu APT could expose sensitive information.
==========================================================================
Ubuntu Security Notice USN-1662-1
December 12, 2012

apt vulnerability
==========================================================================

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

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10

Summary:

APT could expose sensitive information.

Software Description:
- apt: Advanced front-end for dpkg

Details:

It was discovered that APT set inappropriate permissions on the term.log
file. A local attacker could use this flaw to possibly obtain sensitive
information.

Update instructions:

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

Ubuntu 12.10:
  apt                             0.9.7.5ubuntu5.2

Ubuntu 12.04 LTS:
  apt                             0.8.16~exp12ubuntu10.7

Ubuntu 11.10:
  apt                             0.8.16~exp5ubuntu13.6

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

References:
  http://www.ubuntu.com/usn/usn-1662-1
  CVE-2012-0961

Package Information:
  https://launchpad.net/ubuntu/+source/apt/0.9.7.5ubuntu5.2
  https://launchpad.net/ubuntu/+source/apt/0.8.16~exp12ubuntu10.7
  https://launchpad.net/ubuntu/+source/apt/0.8.16~exp5ubuntu13.6