CVE-2016-9461: 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…

PriorityP425medium4.3CVSS 3.0

AVNACLPRLUINSUCNILAN

EPSS

2.00%

78.3th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
nextcloud	nextcloud_server	< 9.0.52	9.0.52
owncloud	owncloud	< 9.0.4	9.0.4

CVSS provenance

nvdv3.04.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N

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