1. Ubuntu Security Notices
  2. USN-3590-1

USN-3590-1: Irssi vulnerabilities

Publication date

6 March 2018

Overview

Several security issues were fixed in Irssi.

Releases

Packages

  • irssi - terminal based IRC client

Details

It was discovered that Irssi incorrectly handled certain empty
nick names. An attacker could possibly use this issue to cause a denial
of service. (CVE-2018-7050)

It was discovered that Irssi incorrectly handled certain nick names.
An attacker could possibly use this to access sensitive information.
(CVE-2018-7051)

It was discovered that Irssi incorrectly handled an increase in the
number of windows. An attacker could possibly use this issue to cause
a denial of service. (CVE-2018-7052)

It was discovered that Irssi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 17.10. (CVE-2018-7053)

It was discovered that Irssi incorrectly...

It was discovered that Irssi incorrectly handled certain empty
nick names. An attacker could possibly use this issue to cause a denial
of service. (CVE-2018-7050)

It was discovered that Irssi incorrectly handled certain nick names.
An attacker could possibly use this to access sensitive information.
(CVE-2018-7051)

It was discovered that Irssi incorrectly handled an increase in the
number of windows. An attacker could possibly use this issue to cause
a denial of service. (CVE-2018-7052)

It was discovered that Irssi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 17.10. (CVE-2018-7053)

It was discovered that Irssi incorrectly handled certain disconnections.
An attacker could possibly use this to cause a denial of service or
execute arbitrary code. This issue only affected Ubuntu 17.10. (CVE-2018-7054)

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
17.10 artful irssi –  1.0.4-1ubuntu2.3
16.04 xenial irssi –  0.8.19-1ubuntu1.7
14.04 trusty irssi –  0.8.15-5ubuntu3.5

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References

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