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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3.8$0-$5k0.04

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 software 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.

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

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.8

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

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
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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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 CVE reserved
01/24/2023 +26 days Advisory disclosed
01/24/2023 +0 days VulDB entry created
01/24/2023 +0 days VulDB last update

Sourcesinfo

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

CVE: CVE-2023-22483 (🔒)

Entryinfo

Created: 01/24/2023 07:47 AM
Changes: 01/24/2023 07:47 AM (49)
Complete: 🔍

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