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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2008-04-02T17:00:00

Updated: 2024-08-07T08:32:01.076Z

Reserved: 2008-04-02T00:00:00

Link: CVE-2008-1637

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2008-04-02T17:44:00.000

Modified: 2018-10-11T20:35:48.757

Link: CVE-2008-1637

cve-icon Redhat

Severity : Moderate

Publid Date: 2008-03-31T00:00:00Z

Links: CVE-2008-1637 - Bugzilla