WS-2019-0064 (High) detected in handlebars-4.0.5.tgz

[mend-for-github-com]

WS-2019-0064 - High Severity Vulnerability

Vulnerable Library - handlebars-4.0.5.tgz

Handlebars provides the power necessary to let you build semantic templates effectively with no frustration

Library home page: https://registry.npmjs.org/handlebars/-/handlebars-4.0.5.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/nyc/node_modules/handlebars/package.json

Dependency Hierarchy:

• grunt-if-0.2.0.tgz (Root Library)
  • grunt-contrib-nodeunit-1.0.0.tgz
    • nodeunit-0.9.5.tgz
      • tap-7.1.2.tgz
        • nyc-7.1.0.tgz
          • istanbul-reports-1.0.0-alpha.8.tgz
            • ❌ handlebars-4.0.5.tgz (Vulnerable Library)

Found in HEAD commit: f44264189b44751e45b53a39b697a1fd6f84a80c

Found in base branch: dev

Vulnerability Details

Versions of handlebars prior to 4.0.14 are vulnerable to Prototype Pollution. Templates may alter an Objects' prototype, thus allowing an attacker to execute arbitrary code on the server.

Publish Date: 2019-01-30

URL: WS-2019-0064

CVSS 3 Score Details (7.3)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.npmjs.com/advisories/755/

Release Date: 2019-01-30

Fix Resolution: 3.0.7,4.0.14,4.1.2