Elastic Kibana Node.js Security Vulnerabilities (ESA-2021-24)

# Copyright (C) 2021 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:elastic:kibana";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.117776");
  script_version("2021-12-16T03:03:23+0000");
  script_tag(name:"last_modification", value:"2021-12-16 03:03:23 +0000 (Thu, 16 Dec 2021)");
  script_tag(name:"creation_date", value:"2021-09-27 11:31:59 +0000 (Mon, 27 Sep 2021)");
  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:3.1/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:"2021-08-24 13:54:00 +0000 (Tue, 24 Aug 2021)");

  script_cve_id("CVE-2021-22940", "CVE-2021-3672", "CVE-2021-22931", "CVE-2021-22939");

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

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

  script_name("Elastic Kibana Node.js Security Vulnerabilities (ESA-2021-24)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_elastic_kibana_detect_http.nasl");
  script_mandatory_keys("elastic/kibana/detected");

  script_tag(name:"summary", value:"Elastic Kibana is prone to multiple vulnerabilities in Node.js.");

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

  script_tag(name:"insight", value:"Node.js version 14.17.3 is affected by several security
  vulnerabilities: CVE-2021-22940, CVE-2021-3672, CVE-2021-22931, and CVE-2021-22939. We do not
  believe an attacker can exploit these against Kibana, but we are upgrading Node.js out of an
  abundance of caution. Kibana 7.14.1 upgrades Node.js to version 14.17.5 to resolve these issues.");

  script_tag(name:"affected", value:"Elastic Kibana version 7.14.0 and prior.");

  script_tag(name:"solution", value:"Update to version 7.14.1 or later.");

  script_xref(name:"URL", value:"https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077");

  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: "7.14.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.14.1", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);