{ "id": "CVE-2021-44647", "sourceIdentifier": "cve@mitre.org", "published": "2022-01-11T13:15:07.833", "lastModified": "2023-05-03T12:15:16.443", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service." }, { "lang": "es", "value": "Lua versi\u00f3n v5.4.3 y superiores est\u00e1n afectados por SEGV por confusi\u00f3n de tipo en la funci\u00f3n funcnamefromcode en ldebug.c que puede causar una denegaci\u00f3n de servicio local" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-843" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "9255844F-00EF-4D50-9292-3A12FD1FB3A7" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835" } ] } ] } ], "references": [ { "url": "http://lua-users.org/lists/lua-l/2021-11/msg00195.html", "source": "cve@mitre.org", "tags": [ "Exploit", "Mailing List", "Vendor Advisory" ] }, { "url": "http://lua-users.org/lists/lua-l/2021-11/msg00204.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "https://access.redhat.com/security/cve/cve-2021-44647", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202305-23", "source": "cve@mitre.org" } ] }