Nagios XI < 5.5.7 Multiple Vulnerabilities

# SPDX-FileCopyrightText: 2018 Greenbone AG
# 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-only

CPE = "cpe:/a:nagios:nagios_xi";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.141686");
  script_version("2025-12-01T05:45:26+0000");
  script_tag(name:"last_modification", value:"2025-12-01 05:45:26 +0000 (Mon, 01 Dec 2025)");
  script_tag(name:"creation_date", value:"2018-11-15 09:20:47 +0700 (Thu, 15 Nov 2018)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");

  script_cve_id("CVE-2018-15708", "CVE-2018-15709", "CVE-2018-15710", "CVE-2018-15711",
                "CVE-2018-15712", "CVE-2018-15713", "CVE-2018-15714", "CVE-2018-25123");

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

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

  script_name("Nagios XI < 5.5.7 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_nagios_xi_http_detect.nasl");
  script_mandatory_keys("nagios/nagios_xi/detected");

  script_tag(name:"summary", value:"Nagios XI is prone to multiple vulnerabilities.");

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

  script_tag(name:"insight", value:"Nagios XI is prone to multiple vulnerabilities:

  - CVE-2018-15708: Unauthenticated RCE via command argument injection

  - CVE-2018-15709: Authenticated command injection

  - CVE-2018-15710: Local privilege escalation via command injection

  - CVE-2018-15711: Unauthorized API key regeneration

  - CVE-2018-15712: Unauthenticated persistent cross-site scripting

  - CVE-2018-15713: Authenticated persistent cross-site scripting

  - CVE-2018-15714: Reflected cross-site scripting

  - CVE-2018-25123: Privilege escalation vulnerability in the MRTG graphing component. MRTG-related
  processes/scripts executed with excessive privileges, allowing a local attacker with limited
  system access to abuse file/command execution paths or writable resources to gain elevated
  privileges.");

  script_tag(name:"affected", value:"Nagios XI version 5.5.6 and prior.

  Note: Versions prior to 5.x were 2009 through 2014 which are assumed to be affected as well.");

  script_tag(name:"solution", value:"Update to version 5.5.7 or later.");

  script_xref(name:"URL", value:"https://www.nagios.com/products/security/");
  script_xref(name:"URL", value:"https://www.nagios.com/downloads/nagios-xi/change-log/");

  exit(0);
}

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

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

# nb: See note in the affected tag above
if (version =~ "^20(09|1[0-4])" ||
    version_is_less(version: version, test_version: "5.5.7")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.5.7", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);