GLSA 201202-08: stunnel: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	stunnel: Arbitrary code execution
Date:	02/29/2012
Bugs:	#379859
ID:	201202-08

Synopsis

A vulnerability was found in stunnel, allowing remote attackers to cause a Denial of Service and potentially arbitrary code execution.

Background

The stunnel program is designed to work as an SSL encryption wrapper between a client and a local or remote server.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/stunnel	< 4.44	>= 4.44	All supported architectures

Description

An unspecified heap vulnerability was discovered in stunnel.

Impact

The vulnerability may possibly be leveraged to perform remote code execution or a Denial of Service attack.

Workaround

There is no known workaround at this time.

Resolution

All stunnel 4.x users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/stunnel-4.44"

References

CVE-2011-2940

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201202-08.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.