Description
A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a Nextcloud Server
Fixed in 20.0.6affected
References
- https://hackerone.com/reports/1061591 ↗
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-004 ↗
- https://github.com/nextcloud/server/issues/24600 ↗
- https://github.com/nextcloud/server/pull/25224 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/ ↗