Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.4%
CVSS Severity
CVSS v3 Score 6.3
CVSS v2 Score 4.3
References
- http://lua-users.org/lists/lua-l/2021-11/msg00186.html
- http://lua-users.org/lists/lua-l/2021-12/msg00007.html
- http://lua-users.org/lists/lua-l/2021-12/msg00015.html
- http://lua-users.org/lists/lua-l/2021-12/msg00030.html
- https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability
- http://lua-users.org/lists/lua-l/2021-11/msg00186.html
- http://lua-users.org/lists/lua-l/2021-12/msg00007.html
- http://lua-users.org/lists/lua-l/2021-12/msg00015.html
- http://lua-users.org/lists/lua-l/2021-12/msg00030.html
- https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability