CVE-2017-0884

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.

Score

CVSS 3.1 4.3 Medium

Status

Modified - support@hackerone.com

Published

2017-04-05

Last modified

2024-08-05

Weaknesses

CWE-275, CWE-732

Affected products

• Nextcloud Server (Nextcloud)

References

• https://hackerone.com/reports/169680
• https://nextcloud.com/security/advisory/?id=nc-sa-2017-002