CVE-2021-43138 (High) detected in async-2.6.3.tgz

[mend-bolt-for-github[bot]]

CVE-2021-43138 - High Severity Vulnerability

Vulnerable Library - async-2.6.3.tgz

Higher-order functions and common patterns for asynchronous code

Library home page: https://registry.npmjs.org/async/-/async-2.6.3.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/async/package.json

Dependency Hierarchy:

• react-scripts-4.0.3.tgz (Root Library)
  • webpack-dev-server-3.11.1.tgz
    • portfinder-1.0.28.tgz
      • :x: async-2.6.3.tgz (Vulnerable Library)

Found in HEAD commit: 791b9c46e4ab01360326f8f69e9cb194d26c673d

Found in base branch: PreProduction

Vulnerability Details

In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution.

Publish Date: 2022-04-06

URL: CVE-2021-43138

CVSS 3 Score Details (7.8)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • 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://nvd.nist.gov/vuln/detail/CVE-2021-43138

Release Date: 2022-04-06

Fix Resolution (async): 2.6.4

Direct dependency fix Resolution (react-scripts): 5.0.0

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