WordPress Easy Updates Manager Plugin < 8.0.5 Authentication Bypass Vulnerability

# Copyright (C) 2019 Greenbone Networks GmbH
#
# 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.113517");
  script_version("2023-01-18T10:11:02+0000");
  script_tag(name:"last_modification", value:"2023-01-18 10:11:02 +0000 (Wed, 18 Jan 2023)");
  script_tag(name:"creation_date", value:"2019-09-16 11:04:39 +0000 (Mon, 16 Sep 2019)");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");

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

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

  script_cve_id("CVE-2019-15650");

  script_name("WordPress Easy Updates Manager Plugin < 8.0.5 Authentication Bypass Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_wordpress_plugin_http_detect.nasl");
  script_mandatory_keys("wordpress/plugin/stops-core-theme-and-plugin-updates/detected");

  script_tag(name:"summary", value:"The WordPress plugin 'Easy Updates Manager' is prone to an
  authentication bypass vulnerability.");

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

  script_tag(name:"insight", value:"There are insufficient restrictions on options changes
  (such as disabling unattended theme updates) because of a nonce check error.");

  script_tag(name:"impact", value:"Successful exploitation would allow an authenticated attacker to
  perform actions without having the necessary authorization.");

  script_tag(name:"affected", value:"WordPress Easy Updates Manager plugin through version 8.0.4.");

  script_tag(name:"solution", value:"Update to version 8.0.5.");

  script_xref(name:"URL", value:"https://wpvulndb.com/vulnerabilities/9837");
  script_xref(name:"URL", value:"https://wordpress.org/plugins/stops-core-theme-and-plugin-updates/#developers");

  exit(0);
}

CPE = "cpe:/a:easyupdatesmanager:easy_updates_manager";

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: "8.0.5" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "8.0.5", install_path: location );
  security_message( port: port, data: report );
  exit( 0 );
}

exit( 99 );