CVE-2021-44647

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-44647", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-04T04:25:16.894Z", "dateReserved": "2021-12-06T00:00:00.000Z", "datePublished": "2022-01-11T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-05-03T00:00:00.000Z"}, "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."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "http://lua-users.org/lists/lua-l/2021-11/msg00195.html"}, {"url": "http://lua-users.org/lists/lua-l/2021-11/msg00204.html"}, {"name": "FEDORA-2022-473560d1a6", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"}, {"url": "https://access.redhat.com/security/cve/cve-2021-44647"}, {"name": "GLSA-202305-23", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202305-23"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:25:16.894Z"}, "title": "CVE Program Container", "references": [{"url": "http://lua-users.org/lists/lua-l/2021-11/msg00195.html", "tags": ["x_transferred"]}, {"url": "http://lua-users.org/lists/lua-l/2021-11/msg00204.html", "tags": ["x_transferred"]}, {"name": "FEDORA-2022-473560d1a6", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"}, {"url": "https://access.redhat.com/security/cve/cve-2021-44647", "tags": ["x_transferred"]}, {"name": "GLSA-202305-23", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202305-23"}]}]}}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "9255844F-00EF-4D50-9292-3A12FD1FB3A7", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2021-44647", "lastModified": "2026-06-17T04:12:38.127", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-11T13:15:07.833", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00195.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00204.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/cve-2021-44647"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/202305-23"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00195.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00204.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/cve-2021-44647"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202305-23"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "lua: type confusion in funcnamefromcode in ldebug.c could result in local DoS", "id": "2044415", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2044415"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-843", "details": ["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.", "A flaw was found in Lua. An SEGV crash in the funcnamefromcode() function in ldebug.c during error handling occurs in '__close' metamethods. This flaw allows an attacker to cause a denial of service."], "name": "CVE-2021-44647", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libreoffice:flatpak/lua", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat JBoss Core Services"}], "public_date": "2022-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-44647\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-44647"], "statement": "This vulnerability affects Lua v5.4.3 and above which we do not ship in any of our products.", "threat_severity": "Low"}

{}