USN-800-1: irssi vulnerability
13 July 2009
irssi vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Software Description
- irssi
Details
It was discovered that irssi did not properly check the length of strings when processing WALLOPS messages. If a user connected to an IRC network where an attacker had IRC operator privileges, a remote attacker could cause a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 9.04
- irssi - 0.8.12-6ubuntu1.1
- Ubuntu 8.10
- irssi - 0.8.12-4ubuntu2.1
- Ubuntu 8.04 LTS
- irssi - 0.8.12-3ubuntu3.1
- Ubuntu 6.06 LTS
- irssi - 0.8.10-1ubuntu1.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart irssi to effect the necessary changes.