TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 is open to a session fixation attack which allows remote attackers to hijack a victims session.
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Typo3 | Typo3 | * | 4.1.14 (excluding) |
| Typo3 | Typo3 | 4.2.0 (including) | 4.2.13 (excluding) |
| Typo3 | Typo3 | 4.3.0 (including) | 4.3.4 (excluding) |
| Typo3 | Typo3 | 4.4.0 (including) | 4.4.1 (excluding) |
Such a scenario is commonly observed when: