CVE-2021-45985
Apache Lua Heap Buffer Over-Read
Description
In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.
INFO
Published Date :
April 10, 2023, 9:15 a.m.
Last Modified :
Nov. 21, 2024, 6:33 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-45985 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-2021-45985.
| URL | Resource |
|---|---|
| http://lua-users.org/lists/lua-l/2021-12/msg00019.html | Exploit Mailing List Vendor Advisory |
| https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5 | Patch |
| https://www.lua.org/bugs.html#5.4.3-11 | Vendor Advisory |
| http://lua-users.org/lists/lua-l/2021-12/msg00019.html | Exploit Mailing List Vendor Advisory |
| https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5 | Patch |
| https://www.lua.org/bugs.html#5.4.3-11 | Vendor 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).
Transparent Hot Patch Automatic Deployment Framework during Linux-Based Vehicle System Boot
C Lua Makefile Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-45985 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-45985 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/2021-12/msg00019.html Added Reference https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5 Added Reference https://www.lua.org/bugs.html#5.4.3-11 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 14, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://lua-users.org/lists/lua-l/2021-12/msg00019.html No Types Assigned http://lua-users.org/lists/lua-l/2021-12/msg00019.html Exploit, Mailing List, Vendor Advisory Changed Reference Type https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5 No Types Assigned https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5 Patch Changed Reference Type https://www.lua.org/bugs.html#5.4.3-11 No Types Assigned https://www.lua.org/bugs.html#5.4.3-11 Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-45985 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-2021-45985
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.23 }} 0.00%
score
0.60994
percentile