GLSA 201406-20: nginx: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	nginx: Arbitrary code execution
Date:	06/22/2014
Bugs:	#505018
ID:	201406-20

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	Architecture(s)
www-servers/nginx	< 1.4.7	>= 1.4.7	All supported architectures

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

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.