Social App does not validate server certificates for outgoing connections (NC-SA-2020-043)
15th October 2020
Risk level: Low
CVSS v3 Base Score: 5.4 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)
CWE: Improper Certificate Validation (CWE-295)
HackerOne report: 915585
Description
Missing validation of server certificates for out-going connections allowed a man-in-the-middle attack.
Affected Software
- Nextcloud Social < 0.4.0 (CVE-2020-8279)
Action Taken
The error has been fixed.
Resolution
It is recommended that the Social app is upgraded to 0.4.0.
Acknowledgements
The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:
This advisory is licensed CC BY-SA 4.0.