CVE-2021-45985

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-45985", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-02-12T16:02:20.735Z", "dateReserved": "2022-01-03T00:00:00.000Z", "datePublished": "2023-04-10T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-04-10T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://www.lua.org/bugs.html#5.4.3-11"}, {"url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5"}, {"url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:54:31.069Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.lua.org/bugs.html#5.4.3-11", "tags": ["x_transferred"]}, {"url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5", "tags": ["x_transferred"]}, {"url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-787", "lang": "en", "description": "CWE-787 Out-of-bounds Write"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-02-12T16:01:31.275627Z", "id": "CVE-2021-45985", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-12T16:02:20.735Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.lua.org/bugs.html#5.4.3-11", "tags": ["x_transferred"]}, {"url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5", "tags": ["x_transferred"]}, {"url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:54:31.069Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-45985", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-02-12T16:01:31.275627Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-12T16:02:13.824Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://www.lua.org/bugs.html#5.4.3-11"}, {"url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5"}, {"url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html"}], "descriptions": [{"lang": "en", "value": "In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-04-10T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2021-45985", "state": "PUBLISHED", "dateUpdated": "2025-02-12T16:02:20.735Z", "dateReserved": "2022-01-03T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-04-10T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"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:*:*:*:*:*:*:*:*", "matchCriteriaId": "6722715C-7599-4D4C-A636-8A9A9F7F4619", "versionEndExcluding": "5.4.4", "versionStartIncluding": "5.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read."}], "id": "CVE-2021-45985", "lastModified": "2026-06-17T04:14:21.940", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-45985", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-02-12T16:01:31.275627Z", "version": "2.0.3"}}]}, "published": "2023-04-10T09:15:07.250", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.lua.org/bugs.html#5.4.3-11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.lua.org/bugs.html#5.4.3-11"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "lua: heap-based buffer over-read", "id": "2185579", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2185579"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-126", "details": ["In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.", "A heap-based buffer overflow issue was found in Lua Interpreter. The vulnerability can be exploited when an erroneous finalizer calls during a tail call with an invalid stack, triggering an out-of-bounds read, leading to a crash or a denial of service."], "name": "CVE-2021-45985", "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"}], "public_date": "2023-04-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-45985\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-45985\nhttp://lua-users.org/lists/lua-l/2021-12/msg00019.html\nhttps://www.lua.org/bugs.html#5.4.3-11"], "statement": "The bug exists in Lua Interpreter since v5.4.3 and fixed in v5.4.4.\nRHEL-6, 7, 8 ships Lua-v5.3.4 and prior versions, which does not contains the vulnerable function. And RHEL-9 already ships Lua-v5.4.4 and above, which contains the fix. Hence, none of the Lua versions shipped with Red Hat Enterprise Linux are affected.", "threat_severity": "Moderate"}

{}