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)
HackerOne report: 915585
Missing validation of server certificates for out-going connections allowed a man-in-the-middle attack.
- Nextcloud Social < 0.4.0 (CVE-2020-8279)
The error has been fixed.
It is recommended that the Social app is upgraded to 0.4.0.
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.