ownCloud server 9.1.3User enumeration with error messages
Information disclosure in email field dialog at sharing
Flooding logfiles with a 1 Bit BMP File
ownCloud desktop 2.2.3Local Code Injection
ownCloud mobile iOS 3.4.4Improper validation of certificates within the iOS application
Credentials potentially leaked to other configured ownCloud instance
Privilege escalation and CSRF in the API (oC-SA-2013-025)
14th May 2013
Risk level: Medium
Due to an insufficient permission check, an authenticated attacker is able to execute API commands as administrator. Additionally, an unauthenticated attacker could abuse this flaw as a cross-site request forgery vulnerability.
- ownCloud Server < 5.0.6 (CVE-2013-2048)
It is recommended that all instances are upgraded to ownCloud Server 5.0.6.
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.