freetype vulnerabilities

Related Vulnerabilities: CVE-2012-5668   CVE-2012-5669   CVE-2012-5670  

FreeType could be made to crash or run programs as your login if it opened a specially crafted file.

Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed BDF font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges.

14 January 2013

freetype vulnerabilities

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

  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 10.04 LTS
  • Ubuntu 8.04 LTS

Summary

FreeType could be made to crash or run programs as your login if it opened a specially crafted file.

Software Description

  • freetype - FreeType 2 is a font engine library

Details

Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed BDF font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 12.10
libfreetype6 - 2.4.10-0ubuntu1.1
Ubuntu 12.04 LTS
libfreetype6 - 2.4.8-1ubuntu2.1
Ubuntu 11.10
libfreetype6 - 2.4.4-2ubuntu1.3
Ubuntu 10.04 LTS
libfreetype6 - 2.3.11-1ubuntu2.7
Ubuntu 8.04 LTS
libfreetype6 - 2.3.5-1ubuntu4.8.04.10

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References