GHSA-2J2X-2GPW-G8FM

Vulnerability from github – Published: 2022-12-25 21:30 – Updated: 2023-01-06 03:16
VLAI?
Summary
flat vulnerable to Prototype Pollution
Details

flat helps flatten/unflatten nested Javascript objects. A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 can address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.

Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "flat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-36632"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-30T16:27:14Z",
    "nvd_published_at": "2022-12-25T20:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "flat helps flatten/unflatten nested Javascript objects. A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes (\u0027prototype pollution\u0027). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 can address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.",
  "id": "GHSA-2j2x-2gpw-g8fm",
  "modified": "2023-01-06T03:16:40Z",
  "published": "2022-12-25T21:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36632"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hughsk/flat/issues/105"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hughsk/flat/pull/106"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/hughsk/flat"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hughsk/flat/releases/tag/5.0.1"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.216777"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.216777"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "flat vulnerable to Prototype Pollution"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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