=========================================================================Ubuntu Security Notice USN-3418-1
September 18, 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 versions:
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
After a standard system update you need to restart your session to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-3418-1
CVE-2017-2862, CVE-2017-2870, CVE-2017-6311
Package Information:
https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.36.5-3ubuntu0.2
https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.32.2-1ubuntu1.3
https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.30.7-0ubuntu1.7
