Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2022-03-14T15:15:09.373

Last Modified

2024-11-21T06:31:44.853

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.3 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	lua	lua	≤ 5.4.3	Yes

References

http://lua-users.org/lists/lua-l/2021-11/msg00186.html Exploit, Mailing List, Technical Description, Vendor Advisory ([email protected])
http://lua-users.org/lists/lua-l/2021-12/msg00007.html Exploit, Mailing List, Vendor Advisory ([email protected])
http://lua-users.org/lists/lua-l/2021-12/msg00015.html Mailing List, Vendor Advisory ([email protected])
http://lua-users.org/lists/lua-l/2021-12/msg00030.html Mailing List, Vendor Advisory ([email protected])
https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability Exploit, Third Party Advisory ([email protected])
http://lua-users.org/lists/lua-l/2021-11/msg00186.html Exploit, Mailing List, Technical Description, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lua-users.org/lists/lua-l/2021-12/msg00007.html Exploit, Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lua-users.org/lists/lua-l/2021-12/msg00015.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lua-users.org/lists/lua-l/2021-12/msg00030.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)