USN-1102-1: tiff vulnerability

4 April 2011

tiff vulnerability

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

  • Ubuntu 10.10
  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Summary

Certain applications could be made to run programs as your login if they opened a specially crafted TIFF file.

Software Description

  • tiff - TIFF manipulation and conversion tools

Details

Martin Barbella discovered that the thunder (aka ThunderScan) decoder in the TIFF library incorrectly handled an unexpected BitsPerSample value. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privileges, or crash the application, leading to a denial of service.

Update instructions

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

Ubuntu 10.10
libtiff4 - 3.9.4-2ubuntu0.3
Ubuntu 10.04 LTS
libtiff4 - 3.9.2-2ubuntu0.6
Ubuntu 9.10
libtiff4 - 3.8.2-13ubuntu0.6
Ubuntu 8.04 LTS
libtiff4 - 3.8.2-7ubuntu3.9
Ubuntu 6.06 LTS
libtiff4 - 3.7.4-1ubuntu3.11

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