Mailing List Archive

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Gentoo Linux Security Advisory GLSA 202209-25
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https://security.gentoo.org/
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Severity: Normal
Title: Zutty: Arbitrary Code Execution
Date: September 29, 2022
Bugs: #868495
ID: 202209-25

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Synopsis
========

A vulnerability has been discovered in Zutty which could allow for
arbitrary code execution.

Background
==========

Zutty is an X terminal emulator rendering through OpenGL ES Compute
Shaders.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-terms/zutty < 0.13 >= 0.13

Description
===========

Zutty does not correctly handle invalid DECRQSS commands, which can be
exploited to run arbitrary commands in the terminal.

Impact
======

Untrusted text written to the Zutty terminal can achieve arbitrary code
execution.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Zutty users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-terms/zutty-0.13"

References
==========

[ 1 ] CVE-2022-41138
https://nvd.nist.gov/vuln/detail/CVE-2022-41138

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202209-25

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