Auth bypass in index.php
Platform: ownCloud Server
Risk level: High
index.php before ownCloud 4.0.7 does not properly validate the oc_token cookie, which allows remote attackers to bypass authentication via a crafted oc_token cookie value.
- ownCloud Server < 4.0.7 (CVE-2012-4392)
It is recommended that all instances are upgraded to ownCloud Server 4.0.7.
The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:
- Julien Cayssol – Vulnerability discovery and disclosure.