CVE-2021-23406 (High) detected in pac-resolver-3.0.0.tgz

[mend-bolt-for-github]

CVE-2021-23406 - High Severity Vulnerability

Vulnerable Library - pac-resolver-3.0.0.tgz

Generates an asynchronous resolver function from a PAC file

Library home page: https://registry.npmjs.org/pac-resolver/-/pac-resolver-3.0.0.tgz

Path to dependency file: Homepages/backend/package.json

Path to vulnerable library: Homepages/backend/node_modules/pac-resolver/package.json

Dependency Hierarchy:

• pm2-4.5.0.tgz (Root Library)
  • agent-1.0.4.tgz
    • proxy-agent-3.1.1.tgz
      • pac-proxy-agent-3.0.1.tgz
        • ❌ pac-resolver-3.0.0.tgz (Vulnerable Library)

Found in base branch: development

Vulnerability Details

This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. NOTE: The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.

Publish Date: 2021-08-24

URL: CVE-2021-23406

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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23406

Release Date: 2021-08-24

Fix Resolution: degenerator - 3.0.1

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