Improper permission preservation on reshares (NC-SA-2020-012)

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link...

Bypass received read-only share permissions using read-write reshare - ownCloud

User can upload and modify the link share contents even though the original sharer has only read-only access. Affected Software ownCloud Server 9.1.2 CVE-2016-???? core/c7c1b61e10514fe4d8efbaf1156501dd795e7ac1 ownCloud Server 9.0.6 CVE-2016-???? core/65af3785ab5e1d780598874b3553c93767447f1f Actio...

Server: Bypass received read-only share permissions using read-write reshare

User can upload and modify the link share contents even though the original sharer has only read-only access. For more information please consult the official advisory. This advisory is licensed CC BY-SA 4.0...