CVE-2021-44964 (GCVE-0-2021-44964)

Vulnerability from cvelistv5 – Published: 2022-03-14 14:24 – Updated: 2024-08-04 04:32
VLAI
Summary
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.
Severity
6.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:32:13.466Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "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"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "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"
            }
          ]
        }
      }
    }
  },
  "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",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-44964",
      "date": "2026-06-04",
      "epss": "0.00152",
      "percentile": "0.35512"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.4.0\", \"versionEndIncluding\": \"5.4.3\", \"matchCriteriaId\": \"36E29101-6009-4A41-AF33-FDD5EA753F91\"}]}]}]",
      "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": "2024-11-21T06:31:44.853",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 4.0}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:N/A:P\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2022-03-14T15:15:09.373",
      "references": "[{\"url\": \"http://lua-users.org/lists/lua-l/2021-11/msg00186.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Mailing List\", \"Technical Description\", \"Vendor Advisory\"]}, {\"url\": \"http://lua-users.org/lists/lua-l/2021-12/msg00007.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"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\": [\"Mailing List\", \"Vendor Advisory\"]}, {\"url\": \"https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"http://lua-users.org/lists/lua-l/2021-11/msg00186.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Mailing List\", \"Technical Description\", \"Vendor Advisory\"]}, {\"url\": \"http://lua-users.org/lists/lua-l/2021-12/msg00007.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"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\": [\"Mailing List\", \"Vendor Advisory\"]}, {\"url\": \"https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-44964\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2022-03-14T15:15:09.373\",\"lastModified\":\"2024-11-21T06:31:44.853\",\"vulnStatus\":\"Modified\",\"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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.0\",\"versionEndIncluding\":\"5.4.3\",\"matchCriteriaId\":\"36E29101-6009-4A41-AF33-FDD5EA753F91\"}]}]}],\"references\":[{\"url\":\"http://lua-users.org/lists/lua-l/2021-11/msg00186.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Technical Description\",\"Vendor Advisory\"]},{\"url\":\"http://lua-users.org/lists/lua-l/2021-12/msg00007.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"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\":[\"Mailing List\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"http://lua-users.org/lists/lua-l/2021-11/msg00186.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Mailing List\",\"Technical Description\",\"Vendor Advisory\"]},{\"url\":\"http://lua-users.org/lists/lua-l/2021-12/msg00007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"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\":[\"Mailing List\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.