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ESB-2014.2261 - [Win][UNIX/Linux][Debian] openvpn: Denial of service - Existing account

Date: 02 December 2014

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Click here for PGP verifiable version
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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.2261
                          openvpn security update
                              2 December 2014

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           openvpn
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-8104  

Original Bulletin: 
   http://www.debian.org/security/2014/dsa-3084

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running openvpn check for an updated version of the software for 
         their operating system.

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-3084-1                   security@debian.org
http://www.debian.org/security/                            Florian Weimer
December 01, 2014                      http://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : openvpn
CVE ID         : CVE-2014-8104

Dragana Damjanovic discovered that an authenticated client could crash
an OpenVPN server by sending a control packet containing less than
four bytes as payload.

For the stable distribution (wheezy), this problem has been fixed in
version 2.2.1-8+deb7u3.

For the unstable distribution (sid), this problem has been fixed in
version 2.3.4-5.

We recommend that you upgrade your openvpn packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
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which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
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information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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