Ubuntu 12.04 LTS: 1655-2 Major LibTIFF Buffer Overflow Vulnerability

ubuntu

December 5, 2012

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

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.

Topics Covered

security advisory denial of service critical Ubuntu tiff

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

In general, a standard system update will make all the necessary changes.