USN-2670-1: libwmf vulnerabilities

8 July 2015

libwmf vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

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

Software Description

  • libwmf - Windows metafile conversion tools

Details

Fernando Muñoz and Stefan Cornelius discovered that libwmf incorrectly handled certain malformed images. If a user or automated system were tricked into opening a crafted image file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.

Update instructions

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

Ubuntu 15.04
libwmf0.2-7 - 0.2.8.4-10.3ubuntu1.15.04.1
Ubuntu 14.10
libwmf0.2-7 - 0.2.8.4-10.3ubuntu1.14.10.1
Ubuntu 14.04 LTS
libwmf0.2-7 - 0.2.8.4-10.3ubuntu1.14.04.1
Ubuntu 12.04 LTS
libwmf0.2-7 - 0.2.8.4-10ubuntu1.1

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