CVE-2008-1637

MEDIUM Year: 2008
CVSS v2 Score
6.8
Medium
Weakness Type
CWE-189
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Vulnerability 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 (c) choice of the time of day as the sole seeding information.

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