Problem Description

It has been discovered that system internal credentials or keys (e.g. database credentials) have been logged as plaintext in exception handlers, when logging the complete exception stack trace.

Solution

Update to TYPO3 versions 7.6.57 ELTS, 8.7.47 ELTS, 9.5.35 ELTS, 10.4.29, 11.5.11 that fix the problem described above.

Credits

Thanks to Marco Huber who reported this issue and to TYPO3 security team member Torben Hansen 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.