Drupal Cross Site Scripting Vulnerability (SA-CORE-2018-003) - Linux

# Copyright (C) 2018 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("1.3.6.1.4.1.25623.1.0.813212");
  script_version("2021-12-01T11:10:56+0000");
  script_cve_id("CVE-2018-9861");
  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:"last_modification", value:"2021-12-01 11:10:56 +0000 (Wed, 01 Dec 2021)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2019-07-18 13:15:00 +0000 (Thu, 18 Jul 2019)");
  script_tag(name:"creation_date", value:"2018-04-19 14:09:14 +0530 (Thu, 19 Apr 2018)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("Drupal Cross Site Scripting Vulnerability (SA-CORE-2018-003) - Linux");

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

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

  script_tag(name:"insight", value:"The flaw exists in 'CKEditor' used within
  the 'Enhanced Image (image2)' plugin, Which allows attackers to execute XSS
  inside CKEditor using the '<img>' tag and specially crafted HTML.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to execute a script on victim's Web browser within the security
  context of the hosting Web site.");

  script_tag(name:"affected", value:"Drupal core versions 8.x before 8.4.7 and

  Drupal core versions 8.5.0 before 8.5.2.");

  script_tag(name:"solution", value:"Update to version 8.4.7,
  8.5.2 or later. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"https://www.drupal.org/sa-core-2018-003");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 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_unixoide");

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

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

if(version_in_range(version:version, test_version:"8.4.0", test_version2:"8.4.6")) {
  report = report_fixed_ver(installed_version:version, fixed_version:"8.4.7", install_path:location);
  security_message(port:port, data:report);
  exit(0);
}

if(version_in_range(version:version, test_version:"8.5.0", test_version2:"8.5.1")) {
  report = report_fixed_ver(installed_version:version, fixed_version:"8.5.2", install_path:location);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);