4th September 2019
Risk level: Low
CVSS v3 Base Score: 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
CWE: Synchronous Access of Remote Resource without Timeout (CWE-1088)
HackerOne report: 592864
Dangling remote share attempts in Nextcloud 16 allow a DNS pollution when running long.
The error has been fixed.
It is recommended that the Nextcloud Server is upgraded to 17.0.0.
The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory: