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Arbitrary Command Execution Affecting @knutkirkhorn/free-space package, versions <1.3.0

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Scope Changed

    Threat Intelligence

    Exploit Maturity Proof of concept

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  • Snyk ID SNYK-JS-KNUTKIRKHORNFREESPACE-1009833
  • published 18 Sep 2020
  • disclosed 18 Sep 2020
  • credit ansuj
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Introduced: 18 Sep 2020

CVE NOT AVAILABLE CWE-77 Open this link in a new tab

How to fix?

Upgrade @knutkirkhorn/free-space to version 1.3.0 or higher.

Overview

@knutkirkhorn/free-space is a package that gets the amount of free space for a drive.

Affected versions of this package are vulnerable to Arbitrary Command Execution due to the lack of sanitization of the input parameter of the library's exported anonymous function. The exported function, when given a parameter checks what platform the code is being run on and sends that parameter to a function call in either lib/unix.js or lib/windows/js. The vulnerability exists in lib/unix.js which directly uses the user-input parameter: disk in the template string that ultimately gets executed.

References