CVE-2019-19919 (Critical) detected in handlebars-4.0.5.tgz

[mend-bolt-for-github[bot]]

CVE-2019-19919 - Critical 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-contrib-nodeunit-1.0.0.tgz (Root Library)
  • nodeunit-0.9.5.tgz
    • tap-7.1.2.tgz
      • nyc-7.1.0.tgz
        • istanbul-reports-1.0.0-alpha.8.tgz
          • :x: handlebars-4.0.5.tgz (Vulnerable Library)

Found in HEAD commit: 91ceb6046aaa22e9934ed13ea5acba9c988c490c

Found in base branch: master

Vulnerability Details

Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's proto and defineGetter properties, which may allow an attacker to execute arbitrary code through crafted payloads. Mend Note: Converted from WS-2019-0368, on 2022-11-08.

Publish Date: 2019-12-20

URL: CVE-2019-19919

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://github.com/advisories/GHSA-w457-6q6x-cgp9

Release Date: 2019-12-20

Fix Resolution (handlebars): 4.3.0

Direct dependency fix Resolution (grunt-contrib-nodeunit): 2.0.0

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