CVE-2016-9461 | BDVDB-2026-83308 Detail
Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4
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.
Impact#
No impact statement in the source data.
Weaknesses#
- CWE-275 Permission Issues (CWE-275)
References#
- https://owncloud.org/security/advisory/?id=oc-sa-2016-014
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-004
- http://www.securityfocus.com/bid/97276
- https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47
- https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9
- https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e
- https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547
- https://hackerone.com/reports/145950
- https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.