CVE-2016-9464
Medium
Description
Nextcloud Server before 9.0.54 and 10.0.0 suffers from an improper authorization check on removing shares. The Sharing Backend as implemented in Nextcloud does differentiate between shares to users and groups. In case of a received group share, users should be able to unshare the file to themselves but not to the whole group. The previous API implementation simply unshared the file to all users in the group.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Nextcloud Server
PublishedMar 28, 2017
First seenMar 28, 2017
Weakness typeCWE-285CWE-285
How to fix
Update
- nextcloud nextcloud_server9.0.54 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | v < 9.0.54, 10.0 | 9.0.54 |
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