USN-2898-1: GTK+ vulnerability

Ubuntu Security Notice USN-2898-1

15th February, 2016

gtk+2.0, gtk+3.0 vulnerability

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

• Ubuntu 15.10
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

GTK+ could be made to crash or run programs as your login if it processed a
specially crafted image.

Software description

• gtk+2.0
  – GTK+ graphical user interface library

• gtk+3.0
  – GTK+ graphical user interface library

Details

It was discovered that GTK+ incorrectly handled certain large images. A
remote attacker could use this issue to cause GTK+ applications to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 15.10:

libgtk2.0-0

2.24.28-1ubuntu1.1

Ubuntu 14.04 LTS:

libgtk2.0-0

2.24.23-0ubuntu1.4

Ubuntu 12.04 LTS:

libgtk2.0-0

2.24.10-0ubuntu6.3

libgtk-3-0

3.4.2-0ubuntu0.9

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

CVE-2013-7447

Source: ubuntu-usn