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[gentoo-announce] [ GLSA 201406-20 ] nginx: Arbitrary code execution

Posted on 22 June 2014
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201406-20
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http://security.gentoo.org/
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Severity: Normal
Title: nginx: Arbitrary code execution
Date: June 22, 2014
Bugs: #505018
ID: 201406-20

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Synopsis
========
A vulnerability has been found in nginx which may allow execution of
arbitrary code.

Background
==========
nginx is a robust, small, and high performance HTTP and reverse proxy
server.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-servers/nginx < 1.4.7 >= 1.4.7

Description
===========
A bug in the SPDY implementation in nginx was found which might cause a
heap memory buffer overflow in a worker process by using a specially
crafted request. The SPDY implementation is not enabled in default
configurations.

Impact
======
A remote attacker could cause execution of arbitrary code by using a
specially crafted request.

Workaround
==========
Disable the spdy module in NGINX_MODULES_HTTP.

Resolution
==========
All nginx users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-servers/nginx-1.4.7"

References
==========
[ 1 ] CVE-2014-0133
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0133

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

http://security.gentoo.org/glsa/glsa-201406-20.xml

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 2014 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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