CVE-2021-43519
Luasoft Lua DoS
Description
Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file.
INFO
Published Date :
Nov. 9, 2021, 1:15 p.m.
Last Modified :
Nov. 21, 2024, 6:29 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-43519 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-43519.
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).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-43519 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-43519 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.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lua-users.org/lists/lua-l/2021-10/msg00123.html Added Reference http://lua-users.org/lists/lua-l/2021-11/msg00015.html Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/ Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ -
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/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ -
CWE Remap by [email protected]
May. 03, 2022
Action Type Old Value New Value Changed CWE CWE-787 CWE-674 -
Modified Analysis by [email protected]
Mar. 01, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 17, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ [No Types Assigned] -
CVE Modified by [email protected]
Feb. 08, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/ [No Types Assigned] -
Reanalysis by [email protected]
Jan. 20, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* versions from (including) 5.1.0 up to (including) 5.4.4 OR *cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* versions from (including) 5.1.0 up to (excluding) 5.3.5 *cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* versions from (including) 5.4.0 up to (excluding) 5.4.4 -
Initial Analysis by [email protected]
Nov. 12, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type http://lua-users.org/lists/lua-l/2021-10/msg00123.html No Types Assigned http://lua-users.org/lists/lua-l/2021-10/msg00123.html Exploit, Mailing List, Vendor Advisory Changed Reference Type http://lua-users.org/lists/lua-l/2021-11/msg00015.html No Types Assigned http://lua-users.org/lists/lua-l/2021-11/msg00015.html Patch, Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* versions from (including) 5.1.0 up to (including) 5.4.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-43519 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-2021-43519
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} -0.02%
score
0.38509
percentile