CVE-2023-37463

cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12	Release Notes
https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5	Exploit

Configurations

Configuration 1 (hide)

cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*

History

25 Jul 2023, 18:37

Type	Values Removed	Values Added
CPE		cpe:2.3:a:github:cmark-gfm::::::::
First Time		Github Github cmark-gfm
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~(MISC) https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12 -~~	(MISC) https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12 - Release Notes
References	~~(MISC) https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5 -~~	(MISC) https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5 - Exploit
CWE	~~CWE-400~~	NVD-CWE-noinfo

13 Jul 2023, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-07-13 20:15

Updated : 2023-12-10 15:14

NVD link : CVE-2023-37463

Mitre link : CVE-2023-37463

CVE.ORG link : CVE-2023-37463

JSON object : View

Products Affected

github

cmark-gfm

CWE

NVD-CWE-noinfo CWE-400

Uncontrolled Resource Consumption

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