PT-2017-10685 · Nextcloud · Nextcloud Server

B42F97Eb69Dddcafe5Cc278 · Published 2017-04-05 · Updated 2022-10-04 · CVE-2017-0884

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.55 Nextcloud Server versions prior to 10.0.2

Description The issue allows an authenticated adversary to create empty folders inside a shared folder, despite lacking the necessary permissions, due to a logical error in the file caching layer. This affects folders and files where the adversary has at least read-only permissions.

Recommendations For Nextcloud Server versions prior to 9.0.55, update to version 9.0.55 or later. For Nextcloud Server versions prior to 10.0.2, update to version 10.0.2 or later.

Fix

Incorrect Permission

Weakness Enumeration

CWE-275

CWE-732

Related Identifiers

CVE-2017-0884

Affected Products

Nextcloud Server

References · 5

• https://nextcloud.com/security/advisory/?id=nc-sa-2017-002 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-0884 · Security Note
• https://osv.dev/vulnerability/CVE-2017-0884 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0884 · Note
• https://hackerone.com/reports/169680 · Note