Drupal Core Critical Remote Code Execution Vulnerability (SA-CORE-2018-002) - Linux, Version Check

# 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("1.3.6.1.4.1.25623.1.0.812584");
  script_version("2022-08-09T10:11:17+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2018-7600");
  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:"last_modification", value:"2022-08-09 10:11:17 +0000 (Tue, 09 Aug 2022)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2019-03-01 18:04:00 +0000 (Fri, 01 Mar 2019)");
  script_tag(name:"creation_date", value:"2018-03-29 10:53:12 +0530 (Thu, 29 Mar 2018)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("Drupal Core Critical Remote Code Execution Vulnerability (SA-CORE-2018-002) - Linux, Version Check");

  script_tag(name:"summary", value:"Drupal is prone to a critical remote code execution (RCE)
  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 within multiple subsystems
  of Drupal. This potentially allows attackers to exploit multiple attack
  vectors on a Drupal site, which could result in the site being completely
  compromised.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to execute arbitrary code and completely compromise the site.");

  script_tag(name:"affected", value:"Drupal core versions 6.x and earlier,

  Drupal core versions 8.2.x and earlier,

  Drupal core versions 8.3.x to before 8.3.9,

  Drupal core versions 8.4.x to before 8.4.6,

  Drupal core versions 8.5.x to before 8.5.1 and

  Drupal core versions 7.x to before 7.58.");

  script_tag(name:"solution", value:"Update to version 8.3.9 or
  8.4.6 or 8.5.1 or 7.58 or later. Please see the referenced links for available updates.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"https://www.drupal.org/psa-2018-001");
  script_xref(name:"URL", value:"https://www.drupal.org/sa-core-2018-002");
  script_xref(name:"URL", value:"https://www.drupal.org/project/drupal/releases/7.58");
  script_xref(name:"URL", value:"https://www.drupal.org/project/drupal/releases/8.3.9");
  script_xref(name:"URL", value:"https://www.drupal.org/project/drupal/releases/8.4.6");
  script_xref(name:"URL", value:"https://www.drupal.org/project/drupal/releases/8.5.1");
  script_xref(name:"URL", value:"https://research.checkpoint.com/uncovering-drupalgeddon-2/");
  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.]+)", exit_no_version:TRUE))
  exit(0);

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

if(version =~ "^6\.") {
  fix = "Drupal 6 is End of Life.please contact a D6LTS vendor";
}

if(version =~ "^8\.2" || version == "8.5.0") {
  fix = "8.5.1";
}

if(version_in_range(version:version, test_version:"8.3.0", test_version2:"8.3.8")) {
  fix = "8.3.9";
}

if(version_in_range(version:version, test_version:"8.4.0", test_version2:"8.4.5")) {
  fix = "8.4.6";
}

if(version_in_range(version:version, test_version:"7.0", test_version2:"7.57")) {
  fix = "7.58";
}

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

exit(99);