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TITLE:
PowerDNS Malformed Queries Handling Weakness

SECUNIA ADVISORY ID:
SA31407

VERIFY ADVISORY:
http://secunia.com/advisories/31407/

CRITICAL:
Not critical

IMPACT:
Spoofing

WHERE:
>From remote

SOFTWARE:
PowerDNS 2.x
http://secunia.com/product/929/

DESCRIPTION:
A weakness has been reported in PowerDNS, which can be exploited by
malicious people to conduct spoofing attacks.

The weakness is caused due to the server dropping DNS queries for
invalid DNS records within a valid domain. This can be exploited to
facilitate the spoofing of the valid domain on third-party DNS
servers.

The weakness is reported in versions prior to 2.9.21.1.

SOLUTION:
Update to version 2.9.21.1.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Brian J. Dowling of Simplicity Communications.

ORIGINAL ADVISORY:
http://doc.powerdns.com/powerdns-advisory-2008-02.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:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
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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