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


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.19% (59th percentile)

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 Learn

Learn about Remote Code Execution (RCE) vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RUBY-DIFFY-2934981
  • published24 Jun 2022
  • disclosed24 Jun 2022
  • creditUnknown

Introduced: 24 Jun 2022

CVE-2022-33127  (opens in a new tab)
CWE-94  (opens in a new tab)

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.

CVSS Scores

version 3.1