USN-2767-1: GDK-PixBuf vulnerabilities

13 October 2015

gdk-pixbuf vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

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

Software Description

  • gdk-pixbuf - GDK Pixbuf library

Details

Gustavo Grieco discovered that the GDK-PixBuf library did not properly handle scaling tga image files, leading to a heap overflow. If a user or automated system were tricked into opening a tga image file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-7673)

Gustavo Grieco discovered that the GDK-PixBuf library contained an integer overflow when handling certain GIF images. If a user or automated system were tricked into opening a GIF image file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-7674)

Update instructions

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

Ubuntu 15.04
libgdk-pixbuf2.0-0 - 2.31.3-1ubuntu0.2
Ubuntu 14.04 LTS
libgdk-pixbuf2.0-0 - 2.30.7-0ubuntu1.2
Ubuntu 12.04 LTS
libgdk-pixbuf2.0-0 - 2.26.1-1ubuntu1.3

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