Mongoose Web Server <= 6.8 Multiple Vulnerabilities

# Copyright (C) 2021 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:cesanta:mongoose";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.117538");
  script_version("2023-10-20T16:09:12+0000");
  script_tag(name:"last_modification", value:"2023-10-20 16:09:12 +0000 (Fri, 20 Oct 2023)");
  script_tag(name:"creation_date", value:"2021-07-07 13:25:44 +0000 (Wed, 07 Jul 2021)");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/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:"2022-06-13 19:17:00 +0000 (Mon, 13 Jun 2022)");

  script_cve_id("CVE-2017-2891", "CVE-2017-2892", "CVE-2017-2893", "CVE-2017-2894", "CVE-2017-2895",
                "CVE-2017-2909", "CVE-2017-2921", "CVE-2017-2922");

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

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

  script_name("Mongoose Web Server <= 6.8 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Web Servers");
  script_dependencies("gb_mongoose_web_server_http_detect.nasl");
  script_mandatory_keys("cesanta/mongoose/detected");

  script_tag(name:"summary", value:"Mongoose Web Server is prone to multiple vulnerabilities.");

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

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

  - CVE-2017-2891: CGI Remote Code Execcution Vulnerability

  - CVE-2017-2892: MQTT Payload Length Remote Code Execution

  - CVE-2017-2893: MQTT SUBSCRIBE Command Denial Of Service

  - CVE-2017-2894: MQTT SUBSCRIBE Multiple Topics Remote Code Execution

  - CVE-2017-2895: MQTT SUBSCRIBE Topic Length Information Leak

  - CVE-2017-2909: DNS Query Compressed Name Pointer Denial Of Service

  - CVE-2017-2921: Websocket Protocol Packet Length Code Execution Vulnerability

  - CVE-2017-2922: Websocket Protocol Fragmented Packet Code Execution Vulnerability");

  script_tag(name:"affected", value:"Mongoose Web Server version 6.8 and prior.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
  options are to upgrade to a newer release, disable respective features, remove the product or
  replace the product by another one.");

  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0398");
  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0399");
  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0400");
  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0401");
  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0402");
  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416");
  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0428");
  script_xref(name:"URL", value:"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0429");

  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_equal(version: version, test_version: "6.8")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "None", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);