CVE-2020-24370

moderate-risk
Published 2020-08-17

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

Do I need to act?

~
2.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (20)

Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua
Lua

Affected Vendors

Debian Fedoraproject Lua

References (12)

Exploit http://lua-users.org/lists/lua-l/2020-07/msg00324.html
Patch https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b
Mailing List https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Exploit http://lua-users.org/lists/lua-l/2020-07/msg00324.html
Patch https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b
Mailing List https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
46
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 5/34 · Minimal
Exposure 20/34 · Moderate