Moxa AWK Series serviceAgent Information Disclosure Vulnerability

# SPDX-FileCopyrightText: 2017 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:/h:moxa";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106742");
  script_version("2023-07-14T16:09:27+0000");
  script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
  script_tag(name:"creation_date", value:"2017-04-11 14:59:45 +0200 (Tue, 11 Apr 2017)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-12-13 17:26:00 +0000 (Tue, 13 Dec 2022)");

  script_cve_id("CVE-2016-8724");

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

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

  script_name("Moxa AWK Series serviceAgent Information Disclosure Vulnerability");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("General");
  script_dependencies("gb_moxa_awk_detect.nasl");
  script_mandatory_keys("moxa_awk/detected");
  script_require_ports(5801);

  script_tag(name:"summary", value:"Moxa AWK series wireless access points are prone to an information
  disclosure vulnerability in the serviceAgent.");

  script_tag(name:"vuldetect", value:"Sends a crafted request and checks the response.");

  script_tag(name:"insight", value:"An exploitable information disclosure vulnerability exists in the
  serviceAgent functionality of Moxa AWK Series Industrial devices. A specially crafted TCP query will allow an
  attacker to retrieve potentially sensitive information, such as firmware version.");

  script_tag(name:"impact", value:"An unauthenticated attacker may obtain sensitive information.");

  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:"http://www.talosintelligence.com/reports/TALOS-2016-0238/");

  exit(0);
}

include("misc_func.inc");
include("socket_func.inc");

port = 5801;

if (!get_port_state(port))
  exit(0);

query = raw_string(0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                   0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x29, 0xd3, 0xe0, 0x26, 0x00, 0x90, 0xe8, 0x57, 0x23, 0x07,
                   0x00, 0x00, 0x00, 0x05, 0x00, 0x02, 0x00, 0x06, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00);

recv = socket_send_recv(port: port, data: query, proto: "tcp");

if (recv && "System info" >< recv) {
  report = "The following data was received:\n\n" + recv;
  security_message(port: port, data: report);
  exit(0);
}

exit(99);