7.5
HIGH
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 :

Nov. 21, 2024, 7:48 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-24824 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 Github cmark-gfm
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
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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26b59
    Added Reference https://github.com/github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh
  • 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.
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-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 }} 0.00%

score

0.40745

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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