{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2022-3736",
        "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "state": "PUBLISHED",
        "assignerShortName": "isc",
        "dateReserved": "2022-10-28T07:04:32.966Z",
        "datePublished": "2023-01-25T21:39:18.187Z",
        "dateUpdated": "2024-08-03T01:20:57.535Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
                "shortName": "isc",
                "dateUpdated": "2023-01-26T06:03:10.975661Z"
            },
            "title": "named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries",
            "datePublic": "2023-01-25T00:00:00Z",
            "affected": [
                {
                    "vendor": "ISC",
                    "product": "BIND 9",
                    "versions": [
                        {
                            "version": "9.16.12",
                            "lessThanOrEqual": "9.16.36",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "9.18.0",
                            "lessThanOrEqual": "9.18.10",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "9.19.0",
                            "lessThanOrEqual": "9.19.8",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "9.16.12-S1",
                            "lessThanOrEqual": "9.16.36-S1",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query.\nThis issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1."
                }
            ],
            "impacts": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "By sending specific queries to the resolver, an attacker can cause `named` to crash."
                        }
                    ]
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Setting `stale-answer-client-timeout` to `0` or to `off/disabled` will prevent BIND from crashing due to this issue."
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "We are not aware of any active exploits."
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.37, 9.18.11, 9.19.9, or 9.16.37-S1."
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "ISC would like to thank Borja Marcos from Sarenet (with assistance by Iratxe Niño from Fundación Sarenet) for bringing this vulnerability to our attention."
                }
            ],
            "references": [
                {
                    "url": "https://kb.isc.org/docs/cve-2022-3736",
                    "name": "CVE-2022-3736",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "n/a",
                            "lang": "en",
                            "type": "text"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T01:20:57.535Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://kb.isc.org/docs/cve-2022-3736",
                        "name": "CVE-2022-3736",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}