
OpenSSH < 7.7 Enumerazione utenti CVE-2018-15473 Exploit
dipendenza:
[Riferimenti] https://seclists.org/oss-sec/2018/q3/125
http://www.openwall.com/lists/oss-security/2018/08/15/5
https://isc.sans.edu/diary/24004
https://sekurak.pl/openssh-users-enumeration-cve-2018-15473/