Hoteldruid before v2.3.1 allows remote authenticated users to cause a denial of service (invoice-creation outage) via the n_file parameter to visualizza_contratto.php with invalid arguments (any non-numeric value), as demonstrated by the anno=2019&id_transazione=1&numero_contratto=1&n_file=a query string to visualizza_contratto.php.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9085
Reference (s):
- http://www.hoteldruid.com/en/download.html
- https://metamorfosec.com/Files/Advisories/METS-2019-006-An_Invalid_Arguments_in_Hoteldruid_before_v2.3.1.txt