Possibility to extend internal share permissions using the API – ownCloud

An Attacker can extend the permission of a received internal-share using the ocs-api. Check is currently only done in the UI. Affected Software ownCloud Server 10.2.1 CVE-2019-???? core/4ae39f7c70bb26e55d7396184da5c30dd75980a3 Action Taken Added better checks which prevent extending the permissio...