Improper authorization checks in documents
Platform: ownCloud Server
Risk level: Medium
Due to not verifying whether an user has permission to rename files of other users an authenticated user could rename files of other users without permission.
- ownCloud Server < 6.0.3 (CVE-2014-3834)
We reviewed the access-control of the documents application and ensured that permissions are checked properly for every action.
The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:
- Lukas Reschke – ownCloud Inc. (firstname.lastname@example.org) – Vulnerability discovery and disclosure.