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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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