Directory Traversal Affecting php package, versions [7.3.0,7.3.31)[7.4.0,7.4.24)[8.0.0,8.0.11)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.07% (35th 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 Directory Traversal vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-PHP-2335398
  • published12 Jan 2022
  • disclosed4 Oct 2021
  • creditUnknown

Introduced: 4 Oct 2021

CVE-2021-21706  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade php to version 7.3.31, 7.4.24, 8.0.11 or higher.

Overview

Affected versions of this package are vulnerable to Directory Traversal. In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.

References

CVSS Scores

version 3.1