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Gentoo: 201406-20 nginx: Arbitrary code execution Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo A vulnerability has been found in nginx which may allow execution of arbitrary code.
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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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