USN-3418-1: GDK-PixBuf vulnerabilities

Ubuntu Security Notice USN-3418-1

18th September, 2017

gdk-pixbuf vulnerabilities

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

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 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

It was discovered that the GDK-PixBuf library did not properly handle
certain jpeg images. If an user or automated system were tricked into
opening a specially crafted jpeg 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-2017-2862)

It was discovered that the GDK-PixBuf library did not properly handle
certain tiff images. If an user or automated system were tricked into
opening a specially crafted tiff 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-2017-2870)

Ariel Zelivansky discovered that the GDK-PixBuf library did not properly
handle printing certain error messages. If an user or automated system were
tricked into opening a specially crafted image file, a remote attacker
could use this flaw to cause GDK-PixBuf to crash, resulting in a denial of
service. (CVE-2017-6311)

Update instructions

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

Ubuntu 17.04:
libgdk-pixbuf2.0-0 2.36.5-3ubuntu0.2
Ubuntu 16.04 LTS:
libgdk-pixbuf2.0-0 2.32.2-1ubuntu1.3
Ubuntu 14.04 LTS:
libgdk-pixbuf2.0-0 2.30.7-0ubuntu1.7

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-2017-2862, CVE-2017-2870, CVE-2017-6311