CVE-2020-7774 (Critical) detected in y18n-3.2.1.tgz

[mend-bolt-for-github]

CVE-2020-7774 - Critical Severity Vulnerability

Vulnerable Library - y18n-3.2.1.tgz

the bare-bones internationalization library used by yargs

Library home page: https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz

Path to dependency file: /create-library-react/template/default/packages/package-name/package.json

Path to vulnerable library: /template/default/packages/package-name/node_modules/y18n/package.json,/template/default/packages/package-name/node_modules/y18n/package.json

Dependency Hierarchy:

• react-scripts-1.1.5.tgz (Root Library)
  • webpack-3.8.1.tgz
    • yargs-8.0.2.tgz
      • ❌ y18n-3.2.1.tgz (Vulnerable Library)

Found in base branch: master

Vulnerability Details

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

Publish Date: 2020-11-17

URL: CVE-2020-7774

CVSS 3 Score Details (9.8)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.npmjs.com/advisories/1654

Release Date: 2020-11-17

Fix Resolution (y18n): 3.2.2

Direct dependency fix Resolution (react-scripts): 2.0.0

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