WS-2021-0638 (High) detected in mocha-2.5.3.tgz

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WS-2021-0638 - High Severity Vulnerability

Vulnerable Library - mocha-2.5.3.tgz

simple, flexible, fun test framework

Library home page: https://registry.npmjs.org/mocha/-/mocha-2.5.3.tgz

Path to dependency file: /MqttStreamUsingNanoscale/bower_components/promise-polyfill/package.json

Path to vulnerable library: /bower_components/promise-polyfill/node_modules/mocha/package.json,/bower_components/promise-polyfill/node_modules/mocha/package.json

Dependency Hierarchy:

• ❌ mocha-2.5.3.tgz (Vulnerable Library)

Vulnerability Details

There is regular Expression Denial of Service (ReDoS) vulnerability in mocha.
It allows cause a denial of service when stripping crafted invalid function definition from strs.

Publish Date: 2021-09-18

URL: WS-2021-0638

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

Release Date: 2021-09-18

Fix Resolution: 3.0.0-0

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