lib/base.php in ownCloud before 4.0.8 does not properly validate the user_id session variable, which allows remote authenticated users to read arbitrary files via vectors related to WebDAV.
| Software | From | Fixed in |
|---|---|---|
| owncloud / owncloud | - | 4.0.7.x |
| owncloud / owncloud_server | 4.0.0 | 4.0.0.x |
| owncloud / owncloud_server | 4.0.1 | 4.0.1.x |
| owncloud / owncloud_server | 4.0.2 | 4.0.2.x |
| owncloud / owncloud_server | 4.0.3 | 4.0.3.x |
| owncloud / owncloud_server | 4.0.4 | 4.0.4.x |
| owncloud / owncloud_server | 4.0.5 | 4.0.5.x |
| owncloud / owncloud_server | 4.0.6 | 4.0.6.x |