[gentoo-announce] [ GLSA 201412-41 ] OpenVPN: Denial of Service

[news 28]

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Gentoo Linux Security Advisory GLSA 201412-41

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http://security.gentoo.org/

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Severity: Normal

Title: OpenVPN: Denial of Service

Date: December 26, 2014

Bugs: #531308

ID: 201412-41

 

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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

-------------------------------------------------------------------

1 net-misc/openvpn < 2.3.6 >= 2.3.6

 

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

==========

 

[ 1 ] CVE-2014-8104

http://nvd.nist.gov/nvd.cfm?cvename=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 ( -at -) 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