Ubuntu 11.04 USN-1200-1 Moderate: Quassel Denial Of Service Risk

ubuntu

September 10, 2011

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

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.

Topics Covered

security advisory software update Ubuntu Denial Of Service attack risk Quassel

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.