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Nominum CNS and Vantio DNS Cache Poisoning Vulnerability
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Secunia Advisory:
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SA31011
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Release Date:
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2008-07-09
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Popularity:
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2,449 views
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Critical:
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Moderately critical
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Impact:
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Spoofing
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Nominum Caching Name Server (CNS) 3.x
Nominum Vantio (CNS) 3.x
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| CVE reference: | CVE-2008-1447
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Description:
Nominum has acknowledged a vulnerability in Nominum CNS and Vantio, 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.
Solution:
Update to CNS version 3.0.4.0 and Vantio version 3.3.1.0 or later.
Provided and/or discovered by:
Dan Kaminsky, IOActive
Original Advisory:
Nominum:
http://www.nominum.com/asset_upload_file741_2661.pdf
Other References:
US-CERT VU#800113:
http://www.kb.cert.org/vuls/id/800113
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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