CVE-2021-44964 (Medium) detected in luav5.4.7, luav5.4.7

[mend-bolt-for-github[bot]]

CVE-2021-44964 - Medium Severity Vulnerability

Vulnerable Libraries - luav5.4.7, luav5.4.7

luav5.4.7

The Lua development repository, as seen by the Lua team. Mirrored irregularly. Please DO NOT send pull requests. Report issues in the Lua mailing list https://www.lua.org/lua-l.html

Library home page: https://github.com/lua/lua.git

Vulnerable Source Files (2)

/lgc.c /lgc.h

luav5.4.7

The Lua development repository, as seen by the Lua team. Mirrored irregularly. Please DO NOT send pull requests. Report issues in the Lua mailing list https://www.lua.org/lua-l.html

Library home page: https://github.com/lua/lua.git

Vulnerable Source Files (2)

/lgc.c /lgc.h

Found in base branch: master

Vulnerability Details

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.

Publish Date: 2022-03-14

URL: CVE-2021-44964

CVSS 3 Score Details (6.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.cve.org/CVERecord?id=CVE-2021-44964

Release Date: 2022-03-14

Fix Resolution: lua - 5.4.4

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