CVE-2016-9461

MEDIUM

Nextcloud Server < 9.0.52 - Improper Access Control

Title source: rule
STIX 2.1

Description

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.

References (9)

Core 9
Core References
Patch, Vendor Advisory x_refsource_misc
https://owncloud.org/security/advisory/?id=oc-sa-2016-014
Patch, Vendor Advisory x_refsource_misc
https://nextcloud.com/security/advisory/?id=nc-sa-2016-004
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/97276
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/145950

Scores

CVSS v3 4.3
EPSS 0.0076
EPSS Percentile 73.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-284 CWE-275
Status published
Products (3)
n/a/Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4
nextcloud/nextcloud_server < 9.0.52
owncloud/owncloud < 9.0.4
Published Mar 28, 2017
Tracked Since Feb 18, 2026