Ubuntu: 1874-1: DBus vulnerability
Posted by Benjamin D. Thomas   
Ubuntu DBus could be made to crash if it received specially crafted input.
==========================================================================
Ubuntu Security Notice USN-1874-1
June 13, 2013

dbus vulnerability
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

DBus could be made to crash if it received specially crafted input.

Software Description:
- dbus: simple interprocess messaging system

Details:

Alexandru Cornea discovered that DBus incorrectly handled certain messages.
A local attacker could use this issue to cause system services to crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 13.04:
  libdbus-1-3                     1.6.8-1ubuntu6.1

Ubuntu 12.10:
  libdbus-1-3                     1.6.4-1ubuntu4.1

Ubuntu 12.04 LTS:
  libdbus-1-3                     1.4.18-1ubuntu1.4

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1874-1
  CVE-2013-2168

Package Information:
  https://launchpad.net/ubuntu/+source/dbus/1.6.8-1ubuntu6.1
  https://launchpad.net/ubuntu/+source/dbus/1.6.4-1ubuntu4.1
  https://launchpad.net/ubuntu/+source/dbus/1.4.18-1ubuntu1.4