Vulnerability Monitor

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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 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.

Published

2017-03-28T02:59:00.840

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-275
Type: Primary
CWE-284

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	nextcloud_server	< 9.0.52	Yes
Application	owncloud	owncloud	< 9.0.4	Yes

References

http://www.securityfocus.com/bid/97276 Third Party Advisory, VDB Entry ([email protected])
https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://hackerone.com/reports/145950 Exploit, Third Party Advisory ([email protected])
https://nextcloud.com/security/advisory/?id=nc-sa-2016-004 Patch, Vendor Advisory ([email protected])
https://owncloud.org/security/advisory/?id=oc-sa-2016-014 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/97276 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/145950 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://nextcloud.com/security/advisory/?id=nc-sa-2016-004 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://owncloud.org/security/advisory/?id=oc-sa-2016-014 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)