CVE-2017-0884

Medium

Description

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issue. Due to a logical error in the file caching layer an authenticated adversary is able to create empty folders inside a shared folder. Note that this only affects folders and files that the adversary has at least read-only permissions for.

SeverityMedium
CVSS4.3
Exploit probability—
ProductNextcloud Server
PublishedApr 5, 2017
First seenApr 5, 2017
Weakness typeCWE-275CWE-275

How to fix

Update
  • nextcloud nextcloud_server9.0.55, 10.0.2 or later

Affected products

ProductAffected versionsFixed in
nextcloud nextcloud_serverv < 9.0.55, 10.0.0 ≤ v < 10.0.29.0.55, 10.0.2

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