CVE-2020-24370

Public Exploit

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).

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.03% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory lua-users.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lua-users.org/lists/lua-l/2020-07/msg00324.html mailing list exploit vendor advisory
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-24370?
CVE-2020-24370 has been scored as a medium severity vulnerability.
How to fix CVE-2020-24370?
To fix CVE-2020-24370, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-24370 being actively exploited in the wild?
It is possible that CVE-2020-24370 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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