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USN-1629-1: libproxy vulnerabilities

12 November 2012

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

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Releases

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)

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04
Ubuntu 11.10
Ubuntu 10.04

After a standard system update you need to restart your session to make
all the necessary changes.