USN-1629-1: libproxy vulnerabilities

Publication date

12 November 2012

Overview

libproxy could be made to crash or run programs if it received specially crafted network traffic.


Packages

  • libproxy - automatic proxy configuration management library

Details

Tomas Mraz discovered that libproxy incorrectly handled certain PAC files.
A remote attacker could use this issue to cause libproxy to crash, or to
possibly execute arbitrary code. (CVE-2012-4504, CVE-2012-4505)

Tomas Mraz discovered that libproxy incorrectly handled certain PAC files.
A remote attacker could use this issue to cause libproxy to crash, or to
possibly execute arbitrary code. (CVE-2012-4504, CVE-2012-4505)

Update instructions

After a standard system update you need to restart your session to 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
12.04 precise libproxy1 –  0.4.7-0ubuntu4.1
11.10 oneiric libproxy0 –  0.3.1-2ubuntu6.1
10.04 lucid libproxy0 –  0.3.1-1ubuntu1.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›