CVE-2020-15945
Lua Segmentation Fault in Ldebug due to Inconsistent Oldpc Updates
Description
Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
INFO
Published Date :
July 24, 2020, 9:15 p.m.
Last Modified :
April 20, 2023, 6:39 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2020-15945.
| URL | Resource |
|---|---|
| http://lua-users.org/lists/lua-l/2020-07/msg00123.html | Exploit Mailing List Third Party Advisory |
| https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3 | Patch 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-15945 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-15945 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Apr. 20, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* versions up to (including) 5.4.0 OR *cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* versions from (including) 5.3.1 up to (excluding) 5.4.0 -
Reanalysis by [email protected]
Aug. 11, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H -
Initial Analysis by [email protected]
Jul. 29, 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:H Changed Reference Type http://lua-users.org/lists/lua-l/2020-07/msg00123.html No Types Assigned http://lua-users.org/lists/lua-l/2020-07/msg00123.html Exploit, Mailing List, Third Party Advisory Changed Reference Type https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3 No Types Assigned https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3 Patch, Third Party Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:* versions up to (including) 5.4.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-15945 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-2020-15945
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.10669
percentile