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

Severity

 Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team

    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().

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High