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

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Proof of concept

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  • Snyk ID SNYK-JS-FRONTMATTER-569103
  • published 19 May 2020
  • disclosed 14 May 2020
  • credit peterbe
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Introduced: 14 May 2020

CVE NOT AVAILABLE CWE-94 Open this link in a new tab

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().