CVEvulnerability
CVE-2021-44964
6.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-03-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.3 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• lua lua (>= 5.4.0 <= 5.4.3)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- 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
- 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