Access control missing while viewing the attachments in the 'All boards' (NC-SA-2020-036)
15th July 2020
Risk level: Low
CVSS v3 Base Score: 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
HackerOne report: 916704
Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.
- Nextcloud Deck < 1.0.5 (CVE-2020-8235)
The error has been fixed.
It is recommended that the Nextcloud Deck is upgraded to 1.0.5.
The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:
- Divyesh Prajapati - Vulnerability discovery and disclosure.
This advisory is licensed CC BY-SA 4.0.