Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server prior to versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server prior to versions 22.2.10.5, 23.0.9, and 24.0.5 an attacker reading nextcloud.log may gain knowledge of credentials to connect to a SharePoint service. Nextcloud Server versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server versions 22.2.10.5, 23.0.9, and 24.0.5 contain a patch for this issue. As a workaround, set zend.exception_ignore_args = On as an option in php.ini.
Weakness
The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nextcloud_enterprise_server | Nextcloud | * | 22.2.10.5 (excluding) |
| Nextcloud_enterprise_server | Nextcloud | 23.0.0 (including) | 23.0.9 (excluding) |
| Nextcloud_enterprise_server | Nextcloud | 24.0.0 (including) | 24.0.5 (excluding) |
| Nextcloud_server | Nextcloud | * | 23.0.9 (excluding) |
| Nextcloud_server | Nextcloud | 24.0.0 (including) | 24.0.5 (excluding) |
Potential Mitigations
Related Attack Patterns
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpf5-jj85-36h5
- https://github.com/nextcloud/server/pull/33689
- https://github.com/nextcloud/sharepoint/issues/141
- https://hackerone.com/reports/1652903
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpf5-jj85-36h5
- https://github.com/nextcloud/server/pull/33689
- https://github.com/nextcloud/sharepoint/issues/141
- https://hackerone.com/reports/1652903