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A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

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TITLE:
MaraDNS CNAME Record Resource Rotation Denial of Service

SECUNIA ADVISORY ID:
SA28329

VERIFY ADVISORY:
http://secunia.com/advisories/28329/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
MaraDNS 1.2.x
http://secunia.com/product/14350/
MaraDNS 1.0.x
http://secunia.com/product/5045/
MaraDNS 1.3.x
http://secunia.com/product/17079/

DESCRIPTION:
A vulnerability has been reported in MaraDNS, which can be exploited
by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the handling of
certain DNS packets. This can be exploited to cause a resource
rotation by sending specially crafted DNS packets, which cause an
authoritative CNAME record to not resolve, resulting in a DoS.

The vulnerability is reported in version 1.0.x prior to 1.0.41, 1.2.x
prior to 1.2.12.08, and 1.3.x prior to 1.3.07.04.

SOLUTION:
Update to version 1.0.41, 1.2.12.08, or 1.3.07.04.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Michael Krieger.

ORIGINAL ADVISORY:
http://maradns.blogspot.com/2007/08/maradns-update-all-versions.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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http://secunia.com/about_secunia_advisories/


Please Note:
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clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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