USN-1655-1: LibTIFF vulnerability

5 December 2012

tiff vulnerability

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

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

Summary

Programs that use LibTIFF could be made to crash or run programs if they opened a specially crafted file.

Software Description

  • tiff - Tag Image File Format (TIFF) library

Details

It was discovered that LibTIFF incorrectly handled certain malformed images using the DOTRANGE tag. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could crash the application, leading to a denial of service, 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 12.04 LTS
libtiff4 - 3.9.5-2ubuntu1.4
Ubuntu 11.10
libtiff4 - 3.9.5-1ubuntu1.5
Ubuntu 10.04 LTS
libtiff4 - 3.9.2-2ubuntu0.12
Ubuntu 8.04 LTS
libtiff4 - 3.8.2-7ubuntu3.16

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