AusCERT - ESB-2012.0690 - [UNIX/Linux][Debian] nsd3: Denial of service

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ESB-2012.0690 - [UNIX/Linux][Debian] nsd3: Denial of service - Remote/unauthenticated
Date: 20 July 2012

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.0690
                           nsd3 security update
                               20 July 2012

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

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

Product:           nsd3
Publisher:         Debian
Operating System:  Debian GNU/Linux 6
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-2978  

Original Bulletin: 
   http://www.debian.org/security/2012/dsa-2515

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running nsd3 check for an updated version of the software for their
         operating system.

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-2515-1                   security@debian.org
http://www.debian.org/security/                                Nico Golde
July 19, 2012                          http://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : nsd3
Vulnerability  : null pointer dereference
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2012-2978

Marek VavruÅ¡a and Lubos Slovak discovered that NSD, an authoritative
domain name server, is not properly handling non-standard DNS packets.
his can result in a NULL pointer dereference and crash the handling
process.  A remote attacker can abuse this flaw to perform denial of
service attacks.


For the stable distribution (squeeze), this problem has been fixed in
version 3.2.5-1.squeeze2.

For the testing distribution (wheezy), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 3.2.12-1.


We recommend that you upgrade your nsd3 packages.

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

Mailing list: debian-security-announce@lists.debian.org

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===========================================================================
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The University of Queensland
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