Elastic Kibana URL Redirection Vulnerability (ESA-2021-12)

# 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:elastic:kibana";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.148934");
  script_version("2025-09-03T14:11:39+0000");
  script_tag(name:"last_modification", value:"2025-09-03 14:11:39 +0000 (Wed, 03 Sep 2025)");
  script_tag(name:"creation_date", value:"2022-11-21 10:06:18 +0000 (Mon, 21 Nov 2022)");
  script_tag(name:"cvss_base", value:"6.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-11-22 21:13:00 +0000 (Tue, 22 Nov 2022)");

  script_cve_id("CVE-2021-22141");

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

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

  script_name("Elastic Kibana URL Redirection Vulnerability (ESA-2021-12)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_elastic_kibana_http_detect.nasl");
  script_mandatory_keys("elastic/kibana/detected");

  script_tag(name:"summary", value:"Elastic Kibana is prone to an URL redirection vulnerability.");

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

  script_tag(name:"impact", value:"If a logged in user visits a maliciously crafted URL, it could
  result in Kibana redirecting the user to an arbitrary website.");

  script_tag(name:"affected", value:"Elastic Kibana prior to version 6.8.16 and version 7.x pior to
  7.13.0.");

  script_tag(name:"solution", value:"Update to version 6.8.16, 7.13.0 or later.");

  script_xref(name:"URL", value:"https://discuss.elastic.co/t/elastic-stack-7-13-0-and-6-8-16-security-update/273964");

  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"];

if (version_is_less(version: version, test_version: "6.8.16")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.8.16", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "7.0.0", test_version_up: "7.13.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.13.0", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);