USN-3317-1: Irssi vulnerabilities
Ubuntu Security Notice USN-3317-1
12th June, 2017
irssi vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Irssi could be made to crash if it received specially crafted network
traffic.
Software description
- irssi
– terminal based IRC client
Details
It was discovered that Irssi incorrectly handled certain DCC messages. A
malicious IRC server could use this issue to cause Irssi to crash,
resulting in a denial of service. (CVE-2017-9468)
Joseph Bisch discovered that Irssi incorrectly handled receiving
incorrectly quoted DCC files. A remote attacker could possibly use this
issue to cause Irssi to crash, resulting in a denial of service.
(CVE-2017-9469)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.04:
-
irssi
0.8.20-2ubuntu2.1
- Ubuntu 16.10:
-
irssi
0.8.19-1ubuntu2.2
- Ubuntu 16.04 LTS:
-
irssi
0.8.19-1ubuntu1.4
- Ubuntu 14.04 LTS:
-
irssi
0.8.15-5ubuntu3.2
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.
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