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AUSCERT External Security Bulletin Redistribution
ESB-2019.3350
USN-4119-1: Irssi vulnerability
4 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: irssi
Publisher: Ubuntu
Operating System: Ubuntu
Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-15717
Original Bulletin:
https://usn.ubuntu.com/4119-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running irssi check for an updated version of the software for their
operating system.
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USN-4119-1: Irssi vulnerability
3 September 2019
irssi vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
Summary
Irssi could be made to crash or execute arbitrary code if it received a
specially crafted CAP request.
Software Description
o irssi - terminal based IRC client
Details
It was discovered that Irssi incorrectly handled certain CAP requests. An
attacker could possibly use this issue to cause a denial of service or execute
arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
irssi - 1.2.0-2ubuntu1.2
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
o CVE-2019-15717
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The University of Queensland
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