Platform: ownCloud Server
Risk level: Medium
CVSS v3 Base Score: 4.3 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
A logical error caused disclosure of valid share tokens for public calendars. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.
- ownCloud Server < 10.0.2 (CVE-2017-9339)
The error has been fixed and regression tests been added.
The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:
- Lukas Reschke – Nextcloud GmbH () – Vulnerability discovery and disclosure.
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