ntopng Username Enumeration Vulnerability

# Copyright (C) 2016 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:ntop:ntopng";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.107111");
  script_version("2021-05-10T06:48:45+0000");
  script_tag(name:"last_modification", value:"2021-05-10 06:48:45 +0000 (Mon, 10 May 2021)");
  script_tag(name:"creation_date", value:"2016-12-20 06:40:16 +0200 (Tue, 20 Dec 2016)");
  script_tag(name:"cvss_base", value:"6.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:P/I:P/A:P");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"WillNotFix");

  script_name("ntopng Username Enumeration Vulnerability");

  script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_dependencies("gb_ntopng_detect.nasl");
  script_mandatory_keys("ntopng/detected");

  script_tag(name:"summary", value:"ntopng is prone to a username enumeration vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to enumerate usernames.");

  script_tag(name:"affected", value:"ntopng 2.5.160805 and probably prior.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since
  the disclosure of this vulnerability. Likely none will be provided anymore. General solution options
  are to upgrade to a newer release, disable respective features, remove the product or replace the
  product by another one.");

  script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/40942/");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if(!port = get_app_port(cpe:CPE))
  exit(0);

if(!version = get_app_version(cpe:CPE, port:port))
  exit(0);

if(version_is_less_equal(version:version, test_version:"2.5.160805")) {
  report = report_fixed_ver(installed_version:version, fixed_version:"None");
  security_message(port:port, data:report);
  exit(0);
}

exit(0);