WS-2020-0450 (High) detected in handlebars-4.1.2.tgz

[mend-bolt-for-github]

WS-2020-0450 - High Severity Vulnerability

Vulnerable Library - handlebars-4.1.2.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-4.1.2.tgz

Path to dependency file: /event-system/package.json

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

Dependency Hierarchy:

• nyc-14.1.1.tgz (Root Library)
  • istanbul-reports-2.2.4.tgz
    • ❌ handlebars-4.1.2.tgz (Vulnerable Library)

Found in HEAD commit: 6ecfa86344702cb200f5d39ba3d704da1ea21e88

Vulnerability Details

Handlebars before 4.6.0 vulnerable to Prototype Pollution. Prototype access to the template engine allows for potential code execution, which may lead to Denial Of Service (DoS).

Publish Date: 2020-01-09

URL: WS-2020-0450

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: 2020-01-09

Fix Resolution (handlebars): 4.6.0

Direct dependency fix Resolution (nyc): 15.0.0

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