fkie_cve-2021-44964
Vulnerability from fkie_nvd
Published
2022-03-14 15:15
Modified
2024-11-21 06:31
Severity ?
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.
References
{
"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": "2024-11-21T06:31:44.853",
"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": [
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],
"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"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.