CVE-2021-44964

CVSS V2 Medium 4.3 CVSS V3 Medium 6.3
Description
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.
Overview
  • CVE ID
  • CVE-2021-44964
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-03-14T15:15:09
  • Last Modified Date
  • 2022-03-21T05:17:19
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* 1 OR 5.4.0 5.4.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 4
References
Reference URL Reference Tags
http://lua-users.org/lists/lua-l/2021-12/msg00030.html Mailing List Vendor Advisory
http://lua-users.org/lists/lua-l/2021-12/msg00015.html Mailing List Vendor Advisory
https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability Exploit Third Party Advisory
http://lua-users.org/lists/lua-l/2021-11/msg00186.html Exploit Mailing List Technical Description Vendor Advisory
http://lua-users.org/lists/lua-l/2021-12/msg00007.html Exploit Mailing List Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-44964
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44964
History
Created Old Value New Value Data Type Notes
2022-05-10 15:45:09 Added to TrackCVE
2022-12-06 12:14:28 2022-03-14T15:15Z 2022-03-14T15:15:09 CVE Published Date updated
2022-12-06 12:14:29 2022-03-21T05:17:19 CVE Modified Date updated
2022-12-06 12:14:29 Analyzed Vulnerability Status updated