Vulnerability identifier: #VU19532
Vulnerability risk: Medium
Exploitation vector: Network
The vulnerability allows a remote attacker to gain elevated privileges.
The vulnerability exists due to the possibility to extend internal-share permissions using the API. A remote attacker can extend the permission of a received subfolder share using the ocs api and gain elevated privileges. Additional risk exists because the privileged extension is also possible on public-shares.
Install updates from vendor's website.
Vulnerable software versions
ownCloud Server: 1.0 - 10.2.0
Fixed software versions
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?