CVE-2020-24370 Information

Description

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal as demonstrated by getlocal(32^31).

CVSS Vector

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

Reference

http://lua-users.org/lists/lua-l/2020-07/msg00324.html https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3