Vulnerability Description
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).
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lua | Lua | 5.2.0 |
| Fedoraproject | Fedora | 31 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://lua-users.org/lists/lua-l/2020-07/msg00324.htmlExploitMailing ListVendor Advisory
- https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7bPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00019.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00324.htmlExploitMailing ListVendor Advisory
- https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7bPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00019.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
FAQ
What is CVE-2020-24370?
CVE-2020-24370 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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).
How severe is CVE-2020-24370?
CVE-2020-24370 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-24370?
Check the references section above for vendor advisories and patch information. Affected products include: Lua Lua, Fedoraproject Fedora, Debian Debian Linux.