Home / mailings [gentoo-announce] [ GLSA 202209-07 ] Mrxvt: Arbitrary Code Execution
Posted on 25 September 2022
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Gentoo Linux Security Advisory GLSA 202209-07
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https://security.gentoo.org/
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Severity: Normal
Title: Mrxvt: Arbitrary Code Execution
Date: September 25, 2022
Bugs: #791004
ID: 202209-07
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Synopsis
========
A vulnerability has been discovered in Mrxvt which could allow for
arbitrary code execution
Background
==========
Mrxvt is a multi-tabbed rxvt clone with XFT, transparent background and
CJK support.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-terms/mrxvt <= 0.5.4 Vulnerable!
Description
===========
Mrxvt mishandles certain escape sequences, some of which allow for shell
command execution.
Impact
======
An attacker with sufficient access to write arbitrary text to the Mrxvt
terminal could execute arbitrary code.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
Gentoo has discontinued support for Mrxvt. We recommend that users
remove it:
# emerge --ask --depclean "x11-terms/mrxvt"
References
==========
[ 1 ] CVE-2021-33477
https://nvd.nist.gov/vuln/detail/CVE-2021-33477
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202209-07
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2022 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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