TYPO3-CORE-SA-2021-012: Information Disclosure in User Authentication

 

 

 

Problem Description

It has been discovered that user credentials have been logged as plaintext when explicitly using log level debug, which is not the default configuration.

Solution

Update to TYPO3 versions 7.6.52 ELTS, 8.7.41 ELTS, 9.5.28, 10.4.18, 11.3.1 that fix the problem described.

Credits

Thanks to Ingo Schmitt who reported this issue, and to TYPO3 core & security team member Benni Mack who fixed the issue.

General Advice

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

General Note

All security related code changes are tagged so that you can easily look them up in our review system.