WS-2019-0064 (High) detected in handlebars-4.1.0.tgz

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WS-2019-0064 - High Severity Vulnerability

Vulnerable Library - handlebars-4.1.0.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-4.1.0.tgz

Path to dependency file: dotenv-expand/package.json

Path to vulnerable library: dotenv-expand/node_modules/handlebars/package.json

Dependency Hierarchy:

• lab-13.1.0.tgz (Root Library)
  • ❌ handlebars-4.1.0.tgz (Vulnerable Library)

Found in HEAD commit: 76f2af744d235e83423a6b3d04a4f551c958641e

Found in base branch: master

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