TYPO3-CORE-SA-2024-004: Information Disclosure of Encryption Key in TYPO3 Install Tool

Categories: Development, TYPO3 CMS Created by Oliver Hader
It has been discovered that TYPO3 CMS is susceptible to information disclosure.
  • Component Type: TYPO3 CMS
  • Subcomponent: Install Tool (ext:install)
  • Release Date: February 13, 2024
  • Vulnerability Type: Information Disclosure
  • Affected Versions: 8.0.0-8.7.56, 9.0.0-9.5.45, 10.0.0-10.4.42, 11.0.0-11.5.34, 12.0.0-12.4.10, 13.0.0
  • Severity: Medium
  • Suggested CVSS: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
  • References: CVE-2024-25119, CWE-200

Problem Description

The plaintext value of $GLOBALS['SYS']['encryptionKey'] was displayed in the editing forms of the TYPO3 Install Tool user interface. This allowed attackers to utilize the value to generate cryptographic hashes used for verifying the authenticity of HTTP request parameters. Exploiting this vulnerability requires an administrator-level backend user account with system maintainer permissions.


Update to TYPO3 versions 8.7.57 ELTS, 9.5.46 ELTS, 10.4.43 ELTS, 11.5.35 LTS, 12.4.11 LTS, 13.0.1 that fix the problem described.


Thanks to TYPO3 core & security team member Benjamin Franzke who fixed the issue.

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