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Gentoo Linux Security Advisory                           GLSA 202105-13
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: Mumble: User-assisted execution of arbitrary code
      Date: May 26, 2021
      Bugs: #770973
        ID: 202105-13

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Synopsis
========

A vulnerability has been found in Mumble that could allow a remote
attacker to execute arbitrary code.

Background
==========

Mumble is low-latency voice chat software intended for use with gaming.

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

     -------------------------------------------------------------------
      Package              /     Vulnerable     /            Unaffected
     -------------------------------------------------------------------
   1  media-sound/mumble           < 1.3.4                    >= 1.3.4

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

Please review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could entice a user to open a specially crafted
server list (web page) using Mumble, possibly resulting in execution of
arbitrary code with the privileges of the process or a Denial of
Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Mumble users should upgrade to the latest version:

   # emerge --sync
   # emerge --ask --oneshot --verbose ">=media-sound/mumble-1.3.4"

References
==========

[ 1 ] CVE-2021-27229
       https://nvd.nist.gov/vuln/detail/CVE-2021-27229

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

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

  https://security.gentoo.org/glsa/202105-13

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2021 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