Arbitrary Code Execution Affecting front-matter package, versions <4.0.1


0.0
critical
  • Exploit Maturity

    Proof of concept

  • Attack Complexity

    Low

  • Confidentiality

    High

  • Integrity

    High

  • Availability

    High

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • snyk-id

    SNYK-JS-FRONTMATTER-569103

  • published

    19 May 2020

  • disclosed

    14 May 2020

  • credit

    peterbe

How to fix?

Upgrade front-matter to version 4.0.1 or higher.

Overview

front-matter is a package that extracts meta data (front-matter) from documents.

Affected versions of this package are vulnerable to Arbitrary Code Execution due to the default usage of the function yaml.load() of the package js-yaml instead of its secure replacement , yaml.safeLoad().