The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It is recommended that the Nextcloud Desktop client is upgraded to 3.14.2 or later.
Weakness
The product does not validate, or incorrectly validates, a certificate.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Desktop | Nextcloud | 3.0.0 (including) | 3.14.2 (excluding) |
| Nextcloud-desktop | Ubuntu | focal | * |
| Nextcloud-desktop | Ubuntu | oracular | * |
| Nextcloud-desktop | Ubuntu | plucky | * |