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Gentoo Linux Security Advisory GLSA 202208-01
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https://security.gentoo.org/
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Severity: Normal
Title: 3MF Consortium lib3mf: Remote code execution
Date: August 04, 2022
Bugs: #775362
ID: 202208-01

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Synopsis
========

A vulnerability in lib3mf could lead to remote code execution.

Background
==========

lib3mf is an implementation of the 3D Manufacturing Format file
standard.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/lib3mf < 2.1.1 >= 2.1.1

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

Incorrect memory handling within lib3mf could result in a use-after-
free.

Impact
======

An attacker that can provide malicious input to an application using 3MF Consortium's lib3mf could achieve remote code execution.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All 3MF Consortium lib3mf users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/lib3mf-2.1.1"

References
==========

[ 1 ] CVE-2021-21772
https://nvd.nist.gov/vuln/detail/CVE-2021-21772

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

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

https://security.gentoo.org/glsa/202208-01

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