=========================================================================Ubuntu Security Notice USN-1200-1
September 10, 2011

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

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

A remote attacker could send crafted input to Quassel and cause it to
crash.

Software Description:
- quassel: KDE/Qt-based IRC client

Details:

It was discovered that Quassel did not properly handle CTCP requests. A
remote attacker could exploit this to cause a denial of service via
application crash.

Update instructions:

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

Ubuntu 11.04:
  quassel-core                    0.7.2-0ubuntu2.2

Ubuntu 10.10:
  quassel-core                    0.7.1-0ubuntu1.1

Ubuntu 10.04 LTS:
  quassel-core                    0.6.1-0ubuntu1.2

After a standard system update you need to restart Quassel to make all the
necessary changes.

References:
  https://ubuntu.com/security/notices/USN-1200-1
  https://launchpad.net/bugs/845707

Package Information:
  https://launchpad.net/ubuntu/+source/quassel/0.7.2-0ubuntu2.2
  https://launchpad.net/ubuntu/+source/quassel/0.7.1-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/quassel/0.6.1-0ubuntu1.2