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[gentoo-announce] [ GLSA 202210-27 ] open-vm-tools: Local Privilege Escalation

Posted on 31 October 2022
Gentoo-announce

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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
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