cmark-gfm up to 0.29.0.gfm.6 resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in cmark-gfm up to 0.29.0.gfm.6. Affected by this vulnerability is an unknown functionality. The manipulation leads to resource consumption. This vulnerability is uniquely identified as CVE-2023-22483. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in cmark-gfm up to 0.29.0.gfm.6. This issue affects some unknown processing. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to several polynomial time complexity issues in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. Various commands, when piped to cmark-gfm with large values, cause the running time to increase quadratically. These vulnerabilities have been patched in version 0.29.0.gfm.7.

The weakness was disclosed 01/24/2023 as GHSA-29g3-96g3-jg6c. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-22483 since 12/29/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 218384 (Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : cmark-gfm vulnerabilities (USN-7319-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.29.0.gfm.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (218384). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 218384
Nessus Name: Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : cmark-gfm vulnerabilities (USN-7319-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cmark-gfm 0.29.0.gfm.7

Timelineinfo

12/29/2022 🔍
01/24/2023 +26 days 🔍
01/24/2023 +0 days 🔍
03/04/2025 +770 days 🔍

Sourcesinfo

Advisory: GHSA-29g3-96g3-jg6c
Status: Confirmed

CVE: CVE-2023-22483 (🔍)
GCVE (CVE): GCVE-0-2023-22483
GCVE (VulDB): GCVE-100-219197

Entryinfo

Created: 01/24/2023 07:47
Updated: 03/04/2025 14:23
Changes: 01/24/2023 07:47 (49), 02/18/2023 14:49 (11), 03/04/2025 14:23 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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