USN-1949-1: ImageMagick vulnerability

10 September 2013

imagemagick vulnerability

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

  • Ubuntu 13.04
  • Ubuntu 12.10

Summary

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

Software Description

  • imagemagick - Image manipulation programs and library

Details

It was discovered that ImageMagick incorrectly handled decoding GIF image comments. If a user or automated system using ImageMagick were tricked into opening a specially crafted GIF image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program.

Update instructions

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

Ubuntu 13.04
libmagick++5 - 8:6.7.7.10-5ubuntu2.1
libmagickcore5 - 8:6.7.7.10-5ubuntu2.1
Ubuntu 12.10
libmagick++5 - 8:6.7.7.10-2ubuntu4.1
libmagickcore5 - 8:6.7.7.10-2ubuntu4.1

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