Nextcloud Server prior to 9.0.52 & ownCloud Server prior to 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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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owncloud owncloud |
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nextcloud nextcloud server |