USN-3590-1: Irssi vulnerabilities
irssi vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in Irssi.
Software Description
- 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 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
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 17.10
- irssi – 1.0.4-1ubuntu2.3
- Ubuntu 16.04 LTS
- irssi – 0.8.19-1ubuntu1.7
- Ubuntu 14.04 LTS
- irssi – 0.8.15-5ubuntu3.5
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.