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.

CVSS v3 6.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

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

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
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

No history.

Information

Published : 2022-03-14 15:15

Updated : 2024-11-21 06:31

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

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