Improper authorization checks in contacts
Platform: ownCloud Server
Risk level: Medium
Due to not verifying whether an user has been granted access to an address book, authenticated users are able to access arbitrary contacts of other users.
- ownCloud Server < 6.0.3 (CVE-2014-3834)
We reviewed the access-control of the contacts 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. (email@example.com) – Vulnerability discovery and disclosure.