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CVE-2008-1637

Disclosure Date: April 02, 2008
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Description

PowerDNS Recursor before 3.1.5 uses insufficient randomness to calculate (1) TRXID values and (2) UDP source port numbers, which makes it easier for remote attackers to poison a DNS cache, related to (a) algorithmic deficiencies in rand and random functions in external libraries, (b) use of a 32-bit seed value, and © choice of the time of day as the sole seeding information.

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CVSS V3 Severity and Metrics
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Attack Vector (AV):
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General Information

Vendors

  • powerdns

Products

  • recursor

Additional Info

Technical Analysis