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Gentoo: GLSA-202209-07 Normal: Mrxvt Code Execution Risk

gentoo
Calendar Grey September 25, 2022
Dist Gentoo Esm H88
Uncover a moderate severity flaw in Gentoo's Mrxvt that permits execution of arbitrary code.
A vulnerability has been discovered in Mrxvt which could allow for arbitrary code execution

Summary

Mrxvt mishandles certain escape sequences, some of which allow for shell command execution.

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary execution normal severity authorization

Resolution

Gentoo has discontinued support for Mrxvt. We recommend that usersremove 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
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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.

Severity: Normal
Title: Mrxvt: Arbitrary Code Execution
Date: September 25, 2022
Bugs: #791004
ID: 202209-07

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary execution normal severity authorization

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-terms/mrxvt <= 0.5.4 Vulnerable!

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.

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