CVE-2021-33502 (High) detected in normalize-url-4.5.0.tgz, normalize-url-3.3.0.tgz

[mend-bolt-for-github]

CVE-2021-33502 - High Severity Vulnerability

Vulnerable Libraries - normalize-url-4.5.0.tgz, normalize-url-3.3.0.tgz

normalize-url-4.5.0.tgz

Normalize a URL

Library home page: https://registry.npmjs.org/normalize-url/-/normalize-url-4.5.0.tgz

Path to dependency file: github-insights/package.json

Path to vulnerable library: github-insights/node_modules/normalize-url

Dependency Hierarchy:

• nodemon-2.0.7.tgz (Root Library)
  • update-notifier-4.1.3.tgz
    • latest-version-5.1.0.tgz
      • package-json-6.5.0.tgz
        • got-9.6.0.tgz
          • cacheable-request-6.1.0.tgz
            • ❌ normalize-url-4.5.0.tgz (Vulnerable Library)

normalize-url-3.3.0.tgz

Normalize a URL

Library home page: https://registry.npmjs.org/normalize-url/-/normalize-url-3.3.0.tgz

Path to dependency file: github-insights/package.json

Path to vulnerable library: github-insights/node_modules/normalize-url

Dependency Hierarchy:

• parcel-bundler-1.12.5.tgz (Root Library)
  • cssnano-4.1.11.tgz
    • cssnano-preset-default-4.0.8.tgz
      • postcss-normalize-url-4.0.1.tgz
        • ❌ normalize-url-3.3.0.tgz (Vulnerable Library)

Found in HEAD commit: b30e573613b031cc4035ecb29aef467eca6c7334

Found in base branch: master

Vulnerability Details

The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data: URLs.

Publish Date: 2021-05-24

URL: CVE-2021-33502

CVSS 3 Score Details (7.5)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33502

Release Date: 2021-05-24

Fix Resolution: normalize-url - 4.5.1, 5.3.1, 6.0.1

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