CVE-2020-28499 (Critical) detected in merge-1.2.1.tgz

[mend-bolt-for-github]

CVE-2020-28499 - Critical Severity Vulnerability

Vulnerable Library - merge-1.2.1.tgz

Merge multiple objects into one, optionally creating a new cloned object. Similar to the jQuery.extend but more flexible. Works in Node.js and the browser.

Library home page: https://registry.npmjs.org/merge/-/merge-1.2.1.tgz

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

Path to vulnerable library: /template/default/packages/package-name.1/node_modules/merge/package.json,/template/default/packages/package-name.1/node_modules/merge/package.json

Dependency Hierarchy:

• react-scripts-1.1.5.tgz (Root Library)
  • jest-20.0.4.tgz
    • jest-cli-20.0.4.tgz
      • jest-haste-map-20.0.5.tgz
        • sane-1.6.0.tgz
          • exec-sh-0.2.2.tgz
            • ❌ merge-1.2.1.tgz (Vulnerable Library)

Found in base branch: master

Vulnerability Details

All versions of package merge are vulnerable to Prototype Pollution via _recursiveMerge .

Publish Date: 2021-02-18

URL: CVE-2020-28499

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

Release Date: 2021-02-18

Fix Resolution (merge): 2.1.0

Direct dependency fix Resolution (react-scripts): 3.0.0

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