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{"bugzilla": {"description": "pdns-recursor: perdictable query ids", "id": "440247", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=440247"}, "csaw": false, "details": ["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."], "name": "CVE-2008-1637", "public_date": "2008-03-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2008-1637\nhttps://nvd.nist.gov/vuln/detail/CVE-2008-1637"], "threat_severity": "Moderate"}