GetSimple CMS < 3.3.16 Multiple Vulnerabilities

# Copyright (C) 2019 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:get-simple:getsimple_cms";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.142568");
  script_version("2023-10-27T16:11:32+0000");
  script_tag(name:"last_modification", value:"2023-10-27 16:11:32 +0000 (Fri, 27 Oct 2023)");
  script_tag(name:"creation_date", value:"2019-07-09 06:02:47 +0000 (Tue, 09 Jul 2019)");
  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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-06-28 19:55:00 +0000 (Mon, 28 Jun 2021)");

  script_cve_id("CVE-2019-9915", "CVE-2020-18657", "CVE-2020-18658", "CVE-2020-18659",
                "CVE-2020-18660", "CVE-2020-18191", "CVE-2021-28976", "CVE-2021-28977");

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

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

  script_name("GetSimple CMS < 3.3.16 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_getsimple_cms_http_detect.nasl");
  script_mandatory_keys("getsimple_cms/detected");

  script_tag(name:"summary", value:"GetSimple CMS is prone to multiple vulnerabilities.");

  script_tag(name:"insight", value:"The following vulnerabilities exist:

  - CVE-2019-9915: Open redirect via the 'admin/index.php' redirect parameter

  - CVE-2020-18191: Directory traversal in '/admin/log.php' may allow arbitrary file deletion

  - CVE-2020-18657: Cross Site Scripting (XSS) in 'admin/changedata.php' via the redirect_url
  parameter and the headers_sent function

  - CVE-2020-18658: XSS via the timezone parameter to 'settings.php'

  - CVE-2020-18659: XSS via the (1) sitename, (2) username, and (3) email parameters to
  '/admin/setup.php'

  - CVE-2020-18660: Open redirect in 'admin/changedata.php' via the redirect function to the
  url parameter

  - CVE-2021-28976: Remote Code Execution (RCE) in 'admin/upload.php' via phar files

  - CVE-2021-28977: XSS in 'admin/upload.php' by adding comments or jpg and other file header
  information to the content of xla, pages, and gzip files.");

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

  script_tag(name:"solution", value:"Update to version 3.3.16 or later.");

  script_xref(name:"URL", value:"https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1300");
  script_xref(name:"URL", value:"https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1303");
  script_xref(name:"URL", value:"https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1310");
  script_xref(name:"URL", value:"https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1335");
  script_xref(name:"URL", value:"https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1336");

  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))
  exit(0);

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

if (version_is_less(version: version, test_version: "3.3.16")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.3.16", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);