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November 11, 2008

Kaminsky Vulnerability Still Present in 10 Percent of DNS Servers

“More than 10 percent of the Internet’s DNS (Domain Name System) servers are still vulnerable to cache-poisoning attacks, according to a worldwide survey of public-facing Internet nameservers.

“‘We estimate there’s 11.9 million nameservers out there, and over 40 percent allow open recursion, so they accept queries from anyone. Of those, a quarter are not patched. So there’s 1.3 million nameservers that are trivially vulnerable,’ said Liu, who is Infoblox’s vice president of architecture.

“Other DNS servers may well allow recursion, but are not open to everyone, so they were not picked up by the survey, he said.

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Posted by mhall at 3:47 PM | Add Comment

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