{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2008-1637",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "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."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "29764",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/29764"
            },
            {
                "name": "29737",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/29737"
            },
            {
                "name": "DSA-1544",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2008/dsa-1544"
            },
            {
                "name": "FEDORA-2008-3010",
                "refsource": "FEDORA",
                "url": "https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00198.html"
            },
            {
                "name": "28517",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/28517"
            },
            {
                "name": "http://doc.powerdns.com/changelog.html",
                "refsource": "CONFIRM",
                "url": "http://doc.powerdns.com/changelog.html"
            },
            {
                "name": "http://www.trusteer.com/docs/powerdnsrecursor.html",
                "refsource": "MISC",
                "url": "http://www.trusteer.com/docs/powerdnsrecursor.html"
            },
            {
                "name": "29584",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/29584"
            },
            {
                "name": "SUSE-SR:2008:012",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00001.html"
            },
            {
                "name": "ADV-2008-1046",
                "refsource": "VUPEN",
                "url": "http://www.vupen.com/english/advisories/2008/1046/references"
            },
            {
                "name": "http://www.trusteer.com/docs/PowerDNS_recursor_DNS_Cache_Poisoning.pdf",
                "refsource": "MISC",
                "url": "http://www.trusteer.com/docs/PowerDNS_recursor_DNS_Cache_Poisoning.pdf"
            },
            {
                "name": "29830",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/29830"
            },
            {
                "name": "http://doc.powerdns.com/powerdns-advisory-2008-01.html",
                "refsource": "CONFIRM",
                "url": "http://doc.powerdns.com/powerdns-advisory-2008-01.html"
            },
            {
                "name": "powerdns-dnscache-weak-security(41534)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41534"
            },
            {
                "name": "GLSA-200804-22",
                "refsource": "GENTOO",
                "url": "http://security.gentoo.org/glsa/glsa-200804-22.xml"
            },
            {
                "name": "FEDORA-2008-3036",
                "refsource": "FEDORA",
                "url": "https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00224.html"
            },
            {
                "name": "20080331 Paper by Amit Klein (Trusteer): \"PowerDNS Recursor DNS Cache Poisoning [pharming]\"",
                "refsource": "BUGTRAQ",
                "url": "http://www.securityfocus.com/archive/1/490330/100/0/threaded"
            },
            {
                "name": "30581",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/30581"
            }
        ]
    }
}