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)
CWE: Insecure Direct Object Reference (CWE-639)
HackerOne report: 819807
Description
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.
Affected Software
- Nextcloud Server < 18.0.3 (CVE-2020-8154)
- Nextcloud Server < 17.0.5 (CVE-2020-8154)
Action Taken
The error has been fixed.
Resolution
It is recommended that the Nextcloud Server is upgraded to 18.0.3.
Acknowledgements
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.