GLSA 202209-07: Mrxvt: Arbitrary Code Execution

http://security.gentoo.org/

Severity:	normal
Title:	Mrxvt: Arbitrary Code Execution
Date:	09/25/2022
Bugs:	#791004
ID:	202209-07

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	Architecture(s)
x11-terms/mrxvt	<= 0.5.4		All supported architectures

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

CVE-2021-33477

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202209-07.xml

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.