CVE-2021-44964

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-03-14T14:24:51.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00186.html"}, {"tags": ["x_refsource_MISC"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00007.html"}, {"tags": ["x_refsource_MISC"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00015.html"}, {"tags": ["x_refsource_MISC"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00030.html"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-44964", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://lua-users.org/lists/lua-l/2021-11/msg00186.html", "refsource": "MISC", "url": "http://lua-users.org/lists/lua-l/2021-11/msg00186.html"}, {"name": "http://lua-users.org/lists/lua-l/2021-12/msg00007.html", "refsource": "MISC", "url": "http://lua-users.org/lists/lua-l/2021-12/msg00007.html"}, {"name": "http://lua-users.org/lists/lua-l/2021-12/msg00015.html", "refsource": "MISC", "url": "http://lua-users.org/lists/lua-l/2021-12/msg00015.html"}, {"name": "http://lua-users.org/lists/lua-l/2021-12/msg00030.html", "refsource": "MISC", "url": "http://lua-users.org/lists/lua-l/2021-12/msg00030.html"}, {"name": "https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability", "refsource": "MISC", "url": "https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:32:13.466Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00186.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00007.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00015.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00030.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-44964", "datePublished": "2022-03-14T14:24:51.000Z", "dateReserved": "2021-12-13T00:00:00.000Z", "dateUpdated": "2024-08-04T04:32:13.466Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"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": "36E29101-6009-4A41-AF33-FDD5EA753F91", "versionEndIncluding": "5.4.3", "versionStartIncluding": "5.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file."}, {"lang": "es", "value": "Un uso de memoria previamente liberada en el recolector de basura y en el finalizador de lgc.c en el int\u00e9rprete de Lua versiones 5.4.0~5.4.3, permite a atacantes llevar a cabo un Escape del Sandbox por medio de un archivo de script dise\u00f1ado"}], "id": "CVE-2021-44964", "lastModified": "2026-06-17T04:13:00.373", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-14T15:15:09.373", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Technical Description", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00186.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00007.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00015.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00030.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Technical Description", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00186.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-12/msg00030.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:0957", "cpe": "cpe:/a:redhat:enterprise_linux:9", "impact": "moderate", "package": "lua-0:5.4.4-2.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-02-28T00:00:00Z"}, {"advisory": "RHSA-2023:0957", "cpe": "cpe:/o:redhat:enterprise_linux:9", "impact": "moderate", "package": "lua-0:5.4.4-2.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-02-28T00:00:00Z"}, {"advisory": "RHSA-2023:1211", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "lua-0:5.4.4-1.el9_0.1", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-03-14T00:00:00Z"}], "bugzilla": {"description": "lua: use after free allows Sandbox Escape", "id": "2064772", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2064772"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file.", "A flaw was found in the Lua interpreter. This flaw allows an attacker who can have a malicious script executed by the interpreter, to cause a use-after-free issue that may result in a sandbox escape."], "mitigation": {"lang": "en:us", "value": "Ensure that the Lua interpreter runs only trusted scripts."}, "name": "CVE-2021-44964", "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:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat JBoss Core Services"}], "public_date": "2021-11-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-44964\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-44964\nhttp://lua-users.org/lists/lua-l/2021-12/msg00007.html\nhttps://www.lua.org/bugs.html#5.4.4-1"], "statement": "This flaw does not affect versions of Lua shipped with Red Hat Enterprise Linux 6, 7, or 8; the vulnerable code was introduced in a subsequent version of Lua.", "threat_severity": "Important"}

{}