CVE-2023-24824
GitHub cmark-gfm Denial of Service
Description
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads with either large numbers of `>` or `-` characters. This issue has been addressed in version 0.29.0.gfm.10. Users are advised to upgrade. Users unable to upgrade should validate that their input comes from trusted sources.
INFO
Published Date :
March 31, 2023, 11:15 p.m.
Last Modified :
April 11, 2023, 6:25 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2023-24824.
| URL | Resource |
|---|---|
| https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26b59 | Patch |
| https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh | Exploit 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-24824 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-24824 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 -
Initial Analysis by [email protected]
Apr. 11, 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 https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26b59 No Types Assigned https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26b59 Patch Changed Reference Type https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh No Types Assigned https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh Exploit, Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:* versions up to (excluding) 0.29.0.gfm.10.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-24824 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-2023-24824
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.01%
score
0.39077
percentile