CVE-2020-15889

Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://lua-users.org/lists/lua-l/2020-07/msg00078.html	Exploit Mailing List Third Party Advisory
http://lua-users.org/lists/lua-l/2020-12/msg00157.html	Mailing List Third Party Advisory
https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:lua:lua:5.4.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-07-21 22:15

Updated : 2024-02-04 21:00

NVD link : CVE-2020-15889

Mitre link : CVE-2020-15889

CVE.ORG link : CVE-2020-15889

JSON object : View

Products Affected

lua

lua

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2020-15889", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2020-07-21T22:15:12.150", "references": [{"url": "http://lua-users.org/lists/lua-l/2020-07/msg00078.html", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lua-users.org/lists/lua-l/2020-12/msg00157.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members."}, {"lang": "es", "value": "Lua versi\u00f3n 5.4.0, presenta una lectura excesiva del b\u00fafer en la regi\u00f3n heap de la memoria de getobjname porque la funci\u00f3n youngcollection en el archivo lgc.c utiliza markold para un n\u00famero insuficiente de miembros de la lista"}], "lastModified": "2020-12-23T17:41:54.713", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lua:lua:5.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4066DFAE-B20D-44C9-BC34-694748ABE2CA"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}