CVE-2020-24370
MEDIUM severity · CVSS 5.3 · CWE-191
5.3CVSS MEDIUM
Summary
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).
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b ↗
Additional information
- NVD record
- https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7bPatch
- http://lua-users.org/lists/lua-l/2020-07/msg00324.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00019.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00031.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/Advisory