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Gentoo Linux Security Advisory                           GLSA 202210-27
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                                           https://security.gentoo.org/
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 Severity: High
    Title: open-vm-tools: Local Privilege Escalation
     Date: October 31, 2022
     Bugs: #866227
       ID: 202210-27

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Synopsis
========

A vulnerability has been discovered in open-vm-tools which could allow
for local privilege escalation.

Background
==========

open-vm-tools contains tools for VMware guests.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/open-vm-tools  < 12.1.0                  >= 12.1.0

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

A pipe accessible to unprivileged users in the VMWare guest does not
sufficiently sanitize input.

Impact
======

An unprivileged guest user could achieve root privileges within the
guest.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All open-vm-tools users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/open-vm-tools-12.1.0"

References
==========

[ 1 ] CVE-2022-31676
      https://nvd.nist.gov/vuln/detail/CVE-2022-31676
[ 2 ] VMSA-2022-0024.1

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

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

 https://security.gentoo.org/glsa/202210-27

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