GHSA-7VH7-FW88-WJ87

Vulnerability from github – Published: 2023-08-08 17:12 – Updated: 2023-08-08 17:12
VLAI
Summary
Several quadratic complexity bugs may lead to denial of service in Commonmarker
Details

Impact

Several quadratic complexity bugs in commonmarker's underlying cmark-gfm library may lead to unbounded resource exhaustion and subsequent denial of service.

The following vulnerabilities were addressed:

For more information, consult the release notes for version 0.29.0.gfm.12.

Mitigation

Users are advised to upgrade to commonmarker version 0.23.10.

Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "commonmarker"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.23.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-407"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-08T17:12:00Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "## Impact\n\nSeveral quadratic complexity bugs in commonmarker\u0027s underlying [`cmark-gfm`](https://github.com/github/cmark-gfm) library may lead to unbounded resource exhaustion and subsequent denial of service.\n\nThe following vulnerabilities were addressed:\n\n* [CVE-2023-37463](https://github.com/github/cmark-gfm/security/advisories/GHSA-w4qg-3vf7-m9x5)\n\nFor more information, consult the release notes for version [`0.29.0.gfm.12`](https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12).\n\n## Mitigation\n\nUsers are advised to upgrade to commonmarker version [`0.23.10`](https://rubygems.org/gems/commonmarker/versions/0.23.10).",
  "id": "GHSA-7vh7-fw88-wj87",
  "modified": "2023-08-08T17:12:00Z",
  "published": "2023-08-08T17:12:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/gjtorikian/commonmarker/security/advisories/GHSA-7vh7-fw88-wj87"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gjtorikian/commonmarker/commit/db8cd377b54541f7fd484d168b7682a282a680f7"
    },
    {
      "type": "WEB",
      "url": "https://github.com/github/cmark-gfm/releases/tag/0.29.0.gfm.12"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/gjtorikian/commonmarker"
    },
    {
      "type": "WEB",
      "url": "https://rubygems.org/gems/commonmarker/versions/0.23.10"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Several quadratic complexity bugs may lead to denial of service in Commonmarker"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.