USN-1662-1: APT vulnerability

Ubuntu Security Notice USN-1662-1

12th December, 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 version:

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

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

CVE-2012-0961