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Insecure Library Loading
Moderately critical

ISC BIND Query Port DNS Cache Poisoning

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Release Date:  2008-07-09    Last Update:  2008-09-10    Views:  17,675

Secunia Advisory SA30973

Where:

From remote

Impact:

Spoofing

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in ISC BIND, which can be exploited by malicious people to poison the DNS cache.

The vulnerability is caused due to the DNS servers not sufficiently randomising the DNS query port number, which can be exploited to poison the DNS cache.

The vulnerability is reported in all BIND 8 and 9 versions when running as caching resolver.


Solution:
Update to version 9.5.0-P2, 9.5.0-P2-W1, 9.4.2-P2, 9.4.2-P2-W1, 9.3.5-P2, or 9.3.5-P2-W1 to expand the query port range to mitigate attacks.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Dan Kaminsky, IOActive

Original Advisory:
http://www.isc.org/index.pl?/sw/bind/bind-security.php

http://www.isc.org/index.pl?/sw/bind/view/?release=9.5.0-P2
http://www.isc.org/index.pl?/sw/bind/view/?release=9.4.2-P2
http://www.isc.org/index.pl?/sw/bind/view/?release=9.3.5-P2
http://marc.info/?l=bind-announce&m=122056040831292&w=2
http://marc.info/?l=bind-announce&m=122091429213464&w=2
http://marc.info/?l=bind-announce&m=122100979203469&w=2

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: ISC BIND Query Port DNS Cache Poisoning

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