ghsa-4r62-v4vq-hr96
Vulnerability from github
Published
2021-02-08 21:17
Modified
2021-02-08 21:17
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
Regular Expression Denial of Service (REDoS) in Marked
Details

Impact

What kind of vulnerability is it? Who is impacted?

Regular expression Denial of Service

A Denial of Service attack can affect anyone who runs user generated code through marked.

Patches

Has the problem been patched? What versions should users upgrade to?

patched in v2.0.0

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

None.

References

Are there any links users can visit to find out more?

https://github.com/markedjs/marked/issues/1927 https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS

For more information

If you have any questions or comments about this advisory: * Open an issue in marked

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "marked"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.1.1"
            },
            {
              "fixed": "2.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-21306"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-02-08T21:17:26Z",
    "nvd_published_at": "2021-02-08T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\n[Regular expression Denial of Service](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS)\n\nA Denial of Service attack can affect anyone who runs user generated code through `marked`.\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\npatched in v2.0.0\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\nNone.\n\n### References\n_Are there any links users can visit to find out more?_\n\nhttps://github.com/markedjs/marked/issues/1927\nhttps://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [marked](https://github.com/markedjs/marked/issues)",
  "id": "GHSA-4r62-v4vq-hr96",
  "modified": "2021-02-08T21:17:26Z",
  "published": "2021-02-08T21:17:58Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21306"
    },
    {
      "type": "WEB",
      "url": "https://github.com/markedjs/marked/issues/1927"
    },
    {
      "type": "WEB",
      "url": "https://github.com/markedjs/marked/pull/1864"
    },
    {
      "type": "WEB",
      "url": "https://github.com/markedjs/marked/commit/7293251c438e3ee968970f7609f1a27f9007bccd"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/package/marked"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Regular Expression Denial of Service (REDoS) in Marked"
}


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