Allele Security Alert
ASA-2019-00417
Identifier(s)
ASA-2019-00417, TYPO3-CORE-SA-2019-018
Title
Security Misconfiguration in Frontend Session Handling
Vendor(s)
TYPO3 Association
Product(s)
TYPO3 CMS
Affected version(s)
TYPO3 CMS versions 8.5.0 to 8.7.26
TYPO3 CMS versions 9.0.0 to 9.5.7
Fixed version(s)
TYPO3 CMS version 8.7.27
TYPO3 CMS version 9.5.8
Proof of concept
Unknown
Description
It has been discovered session data of properly authenticated and logged in frontend users is kept and transformed into an anonymous user session during the logout process. This way the next user using the same client application gains access to previous session data.
Technical details
Unknown
Credits
Christian Ebert
Reference(s)
TYPO3 9.5.8 and 8.7.27 security releases published
https://typo3.org/article/typo3-958-and-8727-security-releases-published/
TYPO3-CORE-SA-2019-018: Security Misconfiguration in Frontend Session Handling
https://typo3.org/security/advisory/typo3-core-sa-2019-018/
[TYPO3-announce] Announcing TYPO3 v9.5.8 and v8.7.27 security releases
http://lists.typo3.org/pipermail/typo3-announce/2019/000447.html
If there is any error in this alert or you wish a comprehensive analysis, let us know.
Last modified: July 11, 2019