Marek Vavruša 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

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Debian Security Advisory DSA-2515-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                                Nico Golde
July 19, 2012                          http://www.debian.org/security/faq
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Package        : nsd3
Vulnerability  : null pointer dereference
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2012-2978

Marek Vavruša 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/

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