Remote Code Execution (RCE) Affecting diffy package, versions <3.4.1


0.0
high
  • Attack Complexity

    High

  • Confidentiality

    High

  • Integrity

    High

  • Availability

    High

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  • snyk-id

    SNYK-RUBY-DIFFY-2934981

  • published

    24 Jun 2022

  • disclosed

    24 Jun 2022

  • credit

    Unknown

How to fix?

Upgrade diffy to version 3.4.1 or higher.

Overview

diffy is a Convenient diffing gem in ruby.

Affected versions of this package are vulnerable to Remote Code Execution (RCE). The function that calls the diff tool does not properly handle double quotes in a filename when run in a windows environment. This allows attackers to execute arbitrary commands via a crafted string.

Note: This vulnerability is applicable in Windows only.