{
    "dataType": "CVE_RECORD",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-50387",
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "dateUpdated": "2024-08-02T22:16:46.692Z",
        "dateReserved": "2023-12-07T00:00:00",
        "datePublished": "2024-02-14T00:00:00"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
                "shortName": "mitre",
                "dateUpdated": "2024-06-10T16:14:16.780094"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the \"KeyTrap\" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "n/a",
                    "versions": [
                        {
                            "version": "n/a",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.athene-center.de/aktuelles/key-trap"
                },
                {
                    "url": "https://nlnetlabs.nl/news/2024/Feb/13/unbound-1.19.1-released/"
                },
                {
                    "url": "https://kb.isc.org/docs/cve-2023-50387"
                },
                {
                    "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-01.html"
                },
                {
                    "url": "https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/"
                },
                {
                    "url": "https://news.ycombinator.com/item?id=39367411"
                },
                {
                    "url": "https://www.securityweek.com/keytrap-dns-attack-could-disable-large-parts-of-internet-researchers/"
                },
                {
                    "url": "https://www.isc.org/blogs/2024-bind-security-release/"
                },
                {
                    "url": "https://news.ycombinator.com/item?id=39372384"
                },
                {
                    "url": "https://gitlab.nic.cz/knot/knot-resolver/-/releases/v5.7.1"
                },
                {
                    "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html"
                },
                {
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387"
                },
                {
                    "url": "https://access.redhat.com/security/cve/CVE-2023-50387"
                },
                {
                    "url": "https://bugzilla.suse.com/show_bug.cgi?id=1219823"
                },
                {
                    "url": "https://www.athene-center.de/fileadmin/content/PDF/Technical_Report_KeyTrap.pdf"
                },
                {
                    "name": "[oss-security] 20240216 Re: Unbound: disclosure of CVE-2023-50387 and CVE-2023-50868 DNSSEC validation vulnerabilities",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2024/02/16/2"
                },
                {
                    "name": "[oss-security] 20240216 Re: Unbound: disclosure of CVE-2023-50387 and CVE-2023-50868 DNSSEC validation vulnerabilities",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2024/02/16/3"
                },
                {
                    "name": "FEDORA-2024-2e26eccfcb",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVYA42BLXUCIDLD35YIJPJSHDIADNYMP/"
                },
                {
                    "name": "FEDORA-2024-e24211eff0",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/"
                },
                {
                    "name": "FEDORA-2024-21310568fa",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/"
                },
                {
                    "name": "[debian-lts-announce] 20240221 [SECURITY] [DLA 3736-1] unbound security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2024/02/msg00006.html"
                },
                {
                    "name": "FEDORA-2024-b0f9656a76",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEXGOYGW7DBS3N2QSSQONZ4ENIRQEAPG/"
                },
                {
                    "name": "FEDORA-2024-4e36df9dfd",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQESRWMJCF4JEYJEAKLRM6CT55GLJAB7/"
                },
                {
                    "name": "FEDORA-2024-499b9be35f",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/"
                },
                {
                    "name": "FEDORA-2024-c36c448396",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/"
                },
                {
                    "name": "FEDORA-2024-c967c7d287",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FV5O347JTX7P5OZA6NGO4MKTXRXMKOZ/"
                },
                {
                    "name": "FEDORA-2024-e00eceb11c",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGSLGKUAQTW5JPPZCMF5YPEYALLRUZZ6/"
                },
                {
                    "name": "FEDORA-2024-fae88b73eb",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/"
                },
                {
                    "url": "https://security.netapp.com/advisory/ntap-20240307-0007/"
                },
                {
                    "name": "[debian-lts-announce] 20240517 [SECURITY] [DLA 3816-1] bind9 security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00011.html"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "n/a"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T22:16:46.692Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.athene-center.de/aktuelles/key-trap",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://nlnetlabs.nl/news/2024/Feb/13/unbound-1.19.1-released/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://kb.isc.org/docs/cve-2023-50387",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-01.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://news.ycombinator.com/item?id=39367411",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.securityweek.com/keytrap-dns-attack-could-disable-large-parts-of-internet-researchers/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.isc.org/blogs/2024-bind-security-release/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://news.ycombinator.com/item?id=39372384",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://gitlab.nic.cz/knot/knot-resolver/-/releases/v5.7.1",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://access.redhat.com/security/cve/CVE-2023-50387",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://bugzilla.suse.com/show_bug.cgi?id=1219823",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.athene-center.de/fileadmin/content/PDF/Technical_Report_KeyTrap.pdf",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[oss-security] 20240216 Re: Unbound: disclosure of CVE-2023-50387 and CVE-2023-50868 DNSSEC validation vulnerabilities",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2024/02/16/2"
                    },
                    {
                        "name": "[oss-security] 20240216 Re: Unbound: disclosure of CVE-2023-50387 and CVE-2023-50868 DNSSEC validation vulnerabilities",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2024/02/16/3"
                    },
                    {
                        "name": "FEDORA-2024-2e26eccfcb",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVYA42BLXUCIDLD35YIJPJSHDIADNYMP/"
                    },
                    {
                        "name": "FEDORA-2024-e24211eff0",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/"
                    },
                    {
                        "name": "FEDORA-2024-21310568fa",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/"
                    },
                    {
                        "name": "[debian-lts-announce] 20240221 [SECURITY] [DLA 3736-1] unbound security update",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2024/02/msg00006.html"
                    },
                    {
                        "name": "FEDORA-2024-b0f9656a76",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEXGOYGW7DBS3N2QSSQONZ4ENIRQEAPG/"
                    },
                    {
                        "name": "FEDORA-2024-4e36df9dfd",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQESRWMJCF4JEYJEAKLRM6CT55GLJAB7/"
                    },
                    {
                        "name": "FEDORA-2024-499b9be35f",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/"
                    },
                    {
                        "name": "FEDORA-2024-c36c448396",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/"
                    },
                    {
                        "name": "FEDORA-2024-c967c7d287",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FV5O347JTX7P5OZA6NGO4MKTXRXMKOZ/"
                    },
                    {
                        "name": "FEDORA-2024-e00eceb11c",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGSLGKUAQTW5JPPZCMF5YPEYALLRUZZ6/"
                    },
                    {
                        "name": "FEDORA-2024-fae88b73eb",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/"
                    },
                    {
                        "url": "https://security.netapp.com/advisory/ntap-20240307-0007/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[debian-lts-announce] 20240517 [SECURITY] [DLA 3816-1] bind9 security update",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00011.html"
                    }
                ]
            }
        ]
    },
    "dataVersion": "5.1"
}