Base Score

MEDIUM6.3

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.

VectorLOCAL

Published Bycve@mitre.org

Published DateMar 14, 2022, 15:15

Weakness Type (CWE):CWE-416

CVSS Metrics

Base Score

6.3

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

CHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH

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

Base Score

MEDIUM6.3

Weakness Type (CWE):CWE-416

CVSS Metrics

Base Score

6.3

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

LOCAL

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

CHANGED

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

HIGH