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Gentoo Linux Security Advisory                           GLSA 201705-13
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Teeworlds: Remote execution of arbitrary code on client
     Date: May 26, 2017
     Bugs: #600178
       ID: 201705-13

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Synopsis
========

Teeworlds client vulnerability in snap handling could result in
execution of arbitrary code.

Background
==========

Teeworlds is an online multi-player platform 2D shooter.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  games-action/teeworlds       < 0.6.4                    >= 0.6.4

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

Teeworlds client contains a vulnerability allowing a malicious server
to execute arbitrary code, or write to arbitrary physical memory via
the CClient::ProcessServerPacket method.

Impact
======

A remote malicious server can write to arbitrary physical memory
locations and possibly execute arbitrary if a vulnerable client joins
the server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Teeworlds users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=games-action/teeworlds-0.6.4:0"=


References
==========

[ 1 ] CVE-2016-9400
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9400

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

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

 https://security.gentoo.org/glsa/201705-13

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
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2017 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.

http://creativecommons.org/licenses/by-sa/2.5


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