CVE-2023-22483 cmark-gfm Quadratic complexity bugs may lead to a denial of service

2023-01-2322:36:14

CWE-400

GitHub_M

www.cve.org

cmark-gfm

github

denial of service

3.5 Low

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

7.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.2%

JSON

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.

CNA Affected

[
  {
    "vendor": "github",
    "product": "cmark-gfm",
    "versions": [
      {
        "version": "<  0.29.0.gfm.7",
        "status": "affected"
      }
    ]
  }
]