[ASA-201908-20] irssi: arbitrary code execution
Santiago Torres-Arias
santiago at archlinux.org
Tue Sep 3 18:32:00 UTC 2019
Arch Linux Security Advisory ASA-201908-20
==========================================
Severity: High
Date : 2019-08-29
CVE-ID : CVE-2019-15717
Package : irssi
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-1028
Summary
=======
The package irssi before version 1.2.2-1 is vulnerable to arbitrary
code execution.
Resolution
==========
Upgrade to 1.2.2-1.
# pacman -Syu "irssi>=1.2.2-1"
The problem has been fixed upstream in version 1.2.2.
Workaround
==========
None.
Description
===========
Use after free when receiving duplicate CAP found.
Impact
======
A remote malicious IRC server can cause a denial of service and
potentially arbitrary code execution by sending a duplicate CAP
message.
References
==========
https://irssi.org/security/irssi_sa_2019_08.txt
https://github.com/irssi/irssi/commit/401fff7c34acaff2f7b0d6ab31bda7fa8cc50df9
https://security.archlinux.org/CVE-2019-15717
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