Nagios Privilege Escalation Vulnerability

2017-09-19T00:00:00
ID OPENVAS:1361412562310140375
Type openvas
Reporter This script is Copyright (C) 2017 Greenbone Networks GmbH
Modified 2017-09-25T00:00:00

Description

Nagios is prone to a privilege escalation vulnerability.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_nagios_priv_esc_vuln.nasl 7243 2017-09-25 05:48:36Z cfischer $
#
# Nagios Privilege Escalation Vulnerability
#
# Authors:
# Christian Kuersteiner <christian.kuersteiner@greenbone.net>
#
# Copyright:
# Copyright (c) 2017 Greenbone Networks GmbH
#
# 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:nagios:nagios';

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140375");
  script_version("$Revision: 7243 $");
  script_tag(name: "last_modification", value: "$Date: 2017-09-25 07:48:36 +0200 (Mon, 25 Sep 2017) $");
  script_tag(name: "creation_date", value: "2017-09-19 11:03:19 +0700 (Tue, 19 Sep 2017)");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");

  script_cve_id("CVE-2017-14312");

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

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

  script_name("Nagios Privilege Escalation Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("This script is Copyright (C) 2017 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("nagios_detect.nasl");
  script_mandatory_keys("nagios/installed");

  script_tag(name: "summary", value: "Nagios is prone to a privilege escalation vulnerability.");

  script_tag(name: "vuldetect", value: "Checks the version.");

  script_tag(name: "insight", value: "Nagios Core initially executes /usr/sbin/nagios as root but supports
configuration options in which this file is owned by a non-root account (and similarly can have nagios.cfg owned
by a non-root account), which allows local users to gain privileges by leveraging access to this non-root
account.");

  script_tag(name: "affected", value: "Nagios 4.3.4 and prior.");

  script_tag(name: "solution", value: "No Solution or patch is available as of 19th September, 2017. Information
regarding this issue will be updated once the solution details are available.");

  script_xref(name: "URL", value: "https://github.com/NagiosEnterprises/nagioscore/issues/424");

  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: "4.3.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "None");
  security_message(port: port, data: report);
  exit(0);
}

exit(0);