USN-3086-1: Irssi vulnerabilities

21 September 2016

irssi vulnerabilities

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

  • Ubuntu 16.04 LTS

Summary

Irssi could be made to crash if it received specially crafted network traffic.

Software Description

  • irssi - terminal based IRC client

Details

Gabriel Campana and Adrien Guinet discovered that the format parsing code in Irssi did not properly verify 24bit color codes. A remote attacker could use this to cause a denial of service (application crash). (CVE-2016-7044)

Gabriel Campana and Adrien Guinet discovered that a buffer overflow existed in the format parsing code in Irssi. A remote attacker could use this to cause a denial of service (application crash). (CVE-2016-7045)

Update instructions

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

Ubuntu 16.04 LTS
irssi - 0.8.19-1ubuntu1.2

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

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

References