Drupal 8.x CKEditor XSS Vulnerability (SA-CORE-2020-001) - Windows

# Copyright (C) 2020 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:drupal:drupal";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.143613");
  script_version("2021-12-01T11:10:56+0000");
  script_tag(name:"last_modification", value:"2021-12-01 11:10:56 +0000 (Wed, 01 Dec 2021)");
  script_tag(name:"creation_date", value:"2020-03-19 05:48:13 +0000 (Thu, 19 Mar 2020)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/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:"2021-06-14 18:15:00 +0000 (Mon, 14 Jun 2021)");
  script_cve_id("CVE-2020-9281");

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

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

  script_name("Drupal 8.x CKEditor XSS Vulnerability (SA-CORE-2020-001) - Windows");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_drupal_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("drupal/detected", "Host/runs_windows");

  script_tag(name:"summary", value:"Drupal is prone to a cross-site scripting (XSS)
  vulnerability in a third-party library.");

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

  script_tag(name:"insight", value:"The Drupal project uses the third-party library
  CKEditor, which has released a security improvement that is needed to protect some
  Drupal configurations.

  Vulnerabilities are possible if Drupal is configured to use the WYSIWYG CKEditor for
  your site's users. When multiple people can edit content, the vulnerability can be used
  to execute XSS attacks against other people, including site admins with more access.");

  script_tag(name:"affected", value:"Drupal 8.7.x and 8.8.x.");

  script_tag(name:"solution", value:"Update to version 8.7.12, 8.8.4 or later.");

  script_xref(name:"URL", value:"https://www.drupal.org/sa-core-2020-001");
  script_xref(name:"URL", value:"https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed");

  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, version_regex: "^[0-9]\.[0-9]+"))
  exit(0);

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

if (version_in_range(version: version, test_version: "8.7.0", test_version2: "8.7.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.7.12", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "8.8.0", test_version2: "8.8.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.8.4", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);