CVE-2021-44964 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

Reference

http://lua-users.org/lists/lua-l/2021-12/msg00030.html http://lua-users.org/lists/lua-l/2021-12/msg00015.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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.3