GLSA 201412-41: OpenVPN: Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	OpenVPN: Denial of Service
Date:	12/26/2014
Bugs:	#531308
ID:	201412-41

Synopsis

A vulnerability in OpenVPN could lead to Denial of Service.

Background

OpenVPN is a multi-platform, full-featured SSL VPN solution.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/openvpn	< 2.3.6	>= 2.3.6	All supported architectures

Description

OpenVPN does not properly handle control channel packets that are too small.

Impact

A remote authenticated attacker could send a specially crafted control channel packet, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All OpenVPN users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/openvpn-2.3.6"

References

CVE-2014-8104

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201412-41.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.