Zabbix Server Information Disclosure Vulnerability (May 2018)

# Copyright (C) 2018 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:zabbix:zabbix";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.812869");
  script_version("2023-03-09T10:20:45+0000");
  script_tag(name:"last_modification", value:"2023-03-09 10:20:45 +0000 (Thu, 09 Mar 2023)");
  script_tag(name:"creation_date", value:"2018-05-02 16:58:57 +0530 (Wed, 02 May 2018)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-03-13 17:50:00 +0000 (Wed, 13 Mar 2019)");

  script_cve_id("CVE-2017-2826");

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

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

  script_name("Zabbix Server Information Disclosure Vulnerability (May 2018)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_zabbix_http_detect.nasl");
  script_mandatory_keys("zabbix/detected");

  script_tag(name:"summary", value:"Zabbix server is prone to an information disclosure
  vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists due to Zabbix server unable to sanitize against
  a specially crafted iConfig proxy request.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker to make requests
  from an active Zabbix proxy and cause the Zabbix server to send the configuration information of
  any Zabbix proxy.");

  script_tag(name:"affected", value:"Zabbix version 2.4.x.");

  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://talosintelligence.com/vulnerability_reports/TALOS-2017-0327");

  exit(0);
}

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

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

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

vers = infos["version"];
path = infos["location"];

if (vers =~ "^2\.4\.") {
  report = report_fixed_ver(installed_version: vers, fixed_version: "None", install_path: path);
  security_message(port: port, data: report);
  exit(0);
}

exit(0);