USN-4046-1: Irssi vulnerabilities

Publication date

4 July 2019

Overview

Several security issues were fixed in Irssi.


Packages

  • irssi - terminal based IRC client

Details

It was discovered that Irssi incorrectly handled certain disconnections.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS.
(CVE-2018-7054)

It was discovered that Irssi incorrectly handled certain requests.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. (CVE-2019-13045)

It was discovered that Irssi incorrectly handled certain disconnections.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS.
(CVE-2018-7054)

It was discovered that Irssi incorrectly handled certain requests.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. (CVE-2019-13045)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
19.04 disco irssi –  1.2.0-2ubuntu1.1
18.10 cosmic irssi –  1.1.1-1ubuntu1.2
18.04 bionic irssi –  1.0.5-1ubuntu4.2
16.04 xenial irssi –  0.8.19-1ubuntu1.9

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