USN-1874-1: DBus vulnerability

Ubuntu Security Notice USN-1874-1

13th June, 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 version:

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2013-2168