7.5
HIGH
CVE-2022-21680
Marked Regular Expression Denial of Service (ReDoS)
Description

Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression `block.def` may cause catastrophic backtracking against some strings and lead to a regular expression denial of service (ReDoS). Anyone who runs untrusted markdown through a vulnerable version of marked and does not use a worker with a time limit may be affected. This issue is patched in version 4.0.10. As a workaround, avoid running untrusted markdown through marked or run marked on a worker thread and set a reasonable time limit to prevent draining resources.

INFO

Published Date :

Jan. 14, 2022, 5:15 p.m.

Last Modified :

Nov. 7, 2023, 3:43 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2022-21680 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-21680 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 Fedoraproject fedora
1 Marked_project marked
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-2022-21680.

URL Resource
https://github.com/markedjs/marked/commit/c4a3ccd344b6929afa8a1d50ac54a721e57012c0 Patch Third Party Advisory
https://github.com/markedjs/marked/releases/tag/v4.0.10 Release Notes Third Party Advisory
https://github.com/markedjs/marked/security/advisories/GHSA-rrrm-qjm4-v8hf Exploit Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AIXDMC3CSHYW3YWVSQOXAWLUYQHAO5UX/

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).

None

CMake Shell Perl C++ C Batchfile CSS Makefile M4 Python

Updated: 8 months, 3 weeks ago
34 stars 0 fork 0 watcher
Born at : Feb. 1, 2024, 11:43 a.m. This repo has been linked 71 different CVEs too.

test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC

cve-2020-

Updated: 2 years ago
5 stars 2 fork 2 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2633 different CVEs too.

List of RegEx DoS (ReDoS) CVEs and resources

security awesome redos regex dos regex-dos pentesting awesome-list regex-security

Updated: 1 month, 2 weeks ago
24 stars 2 fork 2 watcher
Born at : June 10, 2021, 1:57 a.m. This repo has been linked 76 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-21680 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-21680 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AIXDMC3CSHYW3YWVSQOXAWLUYQHAO5UX/ [No types assigned]
    Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/AIXDMC3CSHYW3YWVSQOXAWLUYQHAO5UX/
  • Reanalysis by [email protected]

    Jul. 24, 2023

    Action Type Old Value New Value
    Removed CWE NIST NVD-CWE-Other
    Added CWE NIST CWE-1333
  • Modified Analysis by [email protected]

    Nov. 16, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/AIXDMC3CSHYW3YWVSQOXAWLUYQHAO5UX/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/AIXDMC3CSHYW3YWVSQOXAWLUYQHAO5UX/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 08, 2022

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/AIXDMC3CSHYW3YWVSQOXAWLUYQHAO5UX/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 24, 2022

    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 https://github.com/markedjs/marked/commit/c4a3ccd344b6929afa8a1d50ac54a721e57012c0 No Types Assigned https://github.com/markedjs/marked/commit/c4a3ccd344b6929afa8a1d50ac54a721e57012c0 Patch, Third Party Advisory
    Changed Reference Type https://github.com/markedjs/marked/releases/tag/v4.0.10 No Types Assigned https://github.com/markedjs/marked/releases/tag/v4.0.10 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/markedjs/marked/security/advisories/GHSA-rrrm-qjm4-v8hf No Types Assigned https://github.com/markedjs/marked/security/advisories/GHSA-rrrm-qjm4-v8hf Exploit, Third Party Advisory
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration OR *cpe:2.3:a:marked_project:marked:*:*:*:*:*:node.js:*:* versions up to (excluding) 4.0.10
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-2022-21680 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-2022-21680 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.36 }} 0.04%

score

0.72354

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability