Drupal 'User' Module Privilege Escalation Vulnerability - Linux

# SPDX-FileCopyrightText: 2016 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:drupal:drupal";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.807885");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2016-6211");
  script_tag(name:"cvss_base", value:"6.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2016-11-28 20:31:00 +0000 (Mon, 28 Nov 2016)");
  script_tag(name:"creation_date", value:"2016-09-26 15:08:08 +0530 (Mon, 26 Sep 2016)");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_name("Drupal 'User' Module Privilege Escalation Vulnerability - Linux");

  script_tag(name:"summary", value:"Drupal is prone to a privilege escalation 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 due to error within the 'User'
  module, where a specific code can trigger a rebuild of the user profile form
  and a registered user can be granted all user roles on the site.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to gain access to administrative privileges.");

  script_tag(name:"affected", value:"Drupal core 7.x versions prior to 7.44");

  script_tag(name:"solution", value:"Upgrade to version 7.44 or newer.");

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

  script_xref(name:"URL", value:"https://www.drupal.org/SA-CORE-2016-002");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/91230");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  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, 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:"7.0", test_version2:"7.43")) {
  report = report_fixed_ver(installed_version:version, fixed_version:"7.44", install_path:location);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);