netstat Service Information Disclosure

# Copyright (C) 2020 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.111047");
  script_version("2020-10-01T11:33:30+0000");
  script_tag(name:"last_modification", value:"2020-10-01 11:33:30 +0000 (Thu, 01 Oct 2020)");
  script_tag(name:"creation_date", value:"2020-09-23 09:50:19 +0000 (Wed, 23 Sep 2020)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");

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

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

  script_cve_id("CVE-1999-0650");

  script_name("netstat Service Information Disclosure");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Useless services");
  script_dependencies("sw_netstat_service_detect.nasl");
  script_mandatory_keys("netstat/installed");

  script_tag(name:"summary", value:"The netstat service is exposed on the target machine.");

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

  script_tag(name:"impact", value:"The netstat service provides sensitive information to remote attackers.");

  script_tag(name:"solution", value:"It is recommended to disable this service if not used.");

  exit(0);
}

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

if( ! port = get_kb_item( "netstat/port" ) ) exit( 0 );

report = "The netstat service was detected on the target machine.";
security_message( data: report, port: port );

exit( 0 );