Missing ownership check on remote wipe endpoint (NC-SA-2020-018)
18th March 2020
Risk level: Low
CVSS v3 Base Score: 7.7 (AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
HackerOne report: 819807
An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint.
- Nextcloud Server < 18.0.3 (CVE-2020-8154)
- Nextcloud Server < 17.0.5 (CVE-2020-8154)
The error has been fixed.
It is recommended that the Nextcloud Server is upgraded to 18.0.3.
The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:
- Tommy Suriel - Vulnerability discovery and disclosure.
This advisory is licensed CC BY-SA 4.0.