CVE-2021-44964

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-44964
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.

6.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
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
http://lua-users.org/lists/lua-l/2021-12/msg00015.html Mailing List Vendor Advisory
http://lua-users.org/lists/lua-l/2021-12/msg00030.html Mailing List Vendor Advisory
https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*
History

21 Mar 2022, 05:17

Type Values Removed Values Added
First Time Lua lua
Lua
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.3
CWE CWE-416
References (MISC) http://lua-users.org/lists/lua-l/2021-11/msg00186.html - (MISC) http://lua-users.org/lists/lua-l/2021-11/msg00186.html - Exploit, Mailing List, Technical Description, Vendor Advisory
References (MISC) http://lua-users.org/lists/lua-l/2021-12/msg00007.html - (MISC) http://lua-users.org/lists/lua-l/2021-12/msg00007.html - Exploit, Mailing List, Vendor Advisory
References (MISC) https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability - (MISC) https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability - Exploit, Third Party Advisory
References (MISC) http://lua-users.org/lists/lua-l/2021-12/msg00015.html - (MISC) http://lua-users.org/lists/lua-l/2021-12/msg00015.html - Mailing List, Vendor Advisory
References (MISC) http://lua-users.org/lists/lua-l/2021-12/msg00030.html - (MISC) http://lua-users.org/lists/lua-l/2021-12/msg00030.html - Mailing List, Vendor Advisory
CPE cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*

14 Mar 2022, 15:51

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-14 15:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-44964

Mitre link : CVE-2021-44964

CVE.ORG link : CVE-2021-44964

JSON object : View

Products Affected

lua

  • lua
CWE
CWE-416

Use After Free