The FTP backend in user_external in ownCloud Server before 5.0.18 and 6.x before 6.0.6 allows remote attackers to bypass intended authentication requirements via a crafted password.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Owncloud | Owncloud | * | 5.0.17 (including) |
| Owncloud_server | Owncloud | 5.0.0 (including) | 5.0.0 (including) |
| Owncloud_server | Owncloud | 5.0.1 (including) | 5.0.1 (including) |
| Owncloud_server | Owncloud | 5.0.2 (including) | 5.0.2 (including) |
| Owncloud_server | Owncloud | 5.0.3 (including) | 5.0.3 (including) |
| Owncloud_server | Owncloud | 5.0.4 (including) | 5.0.4 (including) |
| Owncloud_server | Owncloud | 5.0.5 (including) | 5.0.5 (including) |
| Owncloud_server | Owncloud | 5.0.6 (including) | 5.0.6 (including) |
| Owncloud_server | Owncloud | 5.0.7 (including) | 5.0.7 (including) |
| Owncloud_server | Owncloud | 5.0.8 (including) | 5.0.8 (including) |
| Owncloud_server | Owncloud | 5.0.9 (including) | 5.0.9 (including) |
| Owncloud_server | Owncloud | 5.0.10 (including) | 5.0.10 (including) |
| Owncloud_server | Owncloud | 5.0.11 (including) | 5.0.11 (including) |
| Owncloud_server | Owncloud | 5.0.12 (including) | 5.0.12 (including) |
| Owncloud_server | Owncloud | 5.0.13 (including) | 5.0.13 (including) |
| Owncloud_server | Owncloud | 5.0.14 (including) | 5.0.14 (including) |
| Owncloud_server | Owncloud | 5.0.14-a (including) | 5.0.14-a (including) |
| Owncloud_server | Owncloud | 5.0.15 (including) | 5.0.15 (including) |
| Owncloud_server | Owncloud | 5.0.16 (including) | 5.0.16 (including) |
| Owncloud_server | Owncloud | 6.0.0 (including) | 6.0.0 (including) |
| Owncloud_server | Owncloud | 6.0.1 (including) | 6.0.1 (including) |
| Owncloud_server | Owncloud | 6.0.2 (including) | 6.0.2 (including) |
| Owncloud_server | Owncloud | 6.0.3 (including) | 6.0.3 (including) |
| Owncloud_server | Owncloud | 6.0.4 (including) | 6.0.4 (including) |
| Owncloud_server | Owncloud | 6.0.5 (including) | 6.0.5 (including) |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html