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TYPO3-EXT-SA-2021-005: SQL Injection in extension "Dynamic Content Element" (dce)

Categories: Development, Security Created by Torben Hansen
It has been discovered that the extension "Dynamic Content Element" (dce) is susceptible to SQL Injection.
  • Release Date: April 27, 2021
  • Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
  • Component: "Dynamic Content Element" (dce)
  • Vulnerability Type: SQL Injection
  • Affected Versions: 2.7.0, 2.2.0 - 2.6.1
  • Severity: Medium
  • Suggested CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
  • References: CVE-2021-31777

Problem Description

The extension fails to properly sanitize user input and is susceptible to SQL Injection. A TYPO3 backend user account is required to exploit the vulnerability.

Solution

Updated versions 2.6.2 and 2.7.1 are available from the TYPO3 extension manager, Packagist and at
https://extensions.typo3.org/extension/download/dce/2.7.1/zip
https://extensions.typo3.org/extension/download/dce/2.6.2/zip
Users of the extension are advised to update the extension as soon as possible.

Credits

Thanks to  Excellium Services  for reporting the issue and to Armin Vieweg for providing an updated version of the extension.

General Advice

Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.