PowerDNS Information for VU#800113

Multiple DNS implementations vulnerable to cache poisoning


Not Affected

Vendor Statement

PowerDNS Vendor Statement
Since version 3.0, released in April 2006, the PowerDNS Recursor resolving
nameserver has implemented measures that protect against the vulnerability
described in CVE-2008-1447. Source ports are randomized, and 'near misses',
indicating a spoofing attempt in progress, are detected, and the query is

Although all 3.x versions implement these measures, from 3.1.6 a
cryptographically secure random generator is used which further enhances
protection against spoofing, so an upgrade to 3.1.6 or higher is advised.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References



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