Component Type: TYPO3 Core
Affected Versions: TYPO3 4.x below 4.0.5, 4.1beta, 4.1RC1, TYPO3 Versions 3.x
Vulnerability Type: Email header injection
Severity: low
Problem Description:
The internal form engine can be used for sending arbitrary mail headers, using it for purposes which it is not meant for.
Solution:
Update to TYPO3 version 4.0.5 or later.
Credits:
Credits go to Olivier Dobberkau, Andreas Otto, and Thorsten Kahler, who discovered and supplied a patch for this issue.