5.3
MEDIUM
CVE-2020-24370
Lua ldebug.c Segmentation Fault 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).

INFO

Published Date :

Aug. 17, 2020, 5:15 p.m.

Last Modified :

Sept. 9, 2024, 1:54 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-24370 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-24370 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Debian debian_linux
1 Lua lua
: Total Affected Vendor : 3 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-24370.

URL Resource
http://lua-users.org/lists/lua-l/2020-07/msg00324.html Exploit Mailing List Vendor Advisory
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html Mailing List 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.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
RenukaSelvar/lua_CVE-2020-24370_AfterPatch

None

Makefile C C++

Updated: 6 days, 14 hours ago
0 stars 0 fork 0 watcher
Born at : Nov. 6, 2024, 10:09 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
RenukaSelvar/lua_CVE-2020-24370

None

Makefile C C++

Updated: 6 days, 15 hours ago
0 stars 0 fork 0 watcher
Born at : Nov. 6, 2024, 9:38 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-24370 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-24370 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Sep. 09, 2024

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:* OR *cpe:2.3:a:lua:lua:5.2.0:-:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.2.0:alpha:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.2.0:beta:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.2.1:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.2.2:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.2.3:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.0:-:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.0:alpha:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.0:beta:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.1:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.2:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.3:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.4:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.3.5:*:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.4.0:alpha:*:*:*:*:*:* *cpe:2.3:a:lua:lua:5.4.0:beta:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/
  • CVE Modified by [email protected]

    Jun. 23, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jan. 24, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 26, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 03, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 26, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type http://lua-users.org/lists/lua-l/2020-07/msg00324.html No Types Assigned http://lua-users.org/lists/lua-l/2020-07/msg00324.html Exploit, Mailing List, Vendor Advisory
    Changed Reference Type https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b No Types Assigned https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b Patch, Third Party Advisory
    Added CWE NIST CWE-191
    Added CPE Configuration OR *cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-24370 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-24370 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.42 }} -0.13%

score

0.74537

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: