ASUS RT-N56U Wireless Router <= 1.0.1.4 Information Disclosure Vulnerability - Active Check

# Copyright (C) 2011 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.

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103228");
  script_version("2022-09-16T10:11:41+0000");
  script_tag(name:"last_modification", value:"2022-09-16 10:11:41 +0000 (Fri, 16 Sep 2022)");
  script_tag(name:"creation_date", value:"2011-08-26 14:51:18 +0200 (Fri, 26 Aug 2011)");
  script_tag(name:"cvss_base", value:"3.3");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/Au:N/C:P/I:N/A:N");

  script_cve_id("CVE-2011-4497");

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

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

  script_name("ASUS RT-N56U Wireless Router <= 1.0.1.4 Information Disclosure Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_get_http_banner.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("RT-N56U/banner");

  script_tag(name:"summary", value:"ASUS RT-N56U wireless router is prone to an information
  disclosure vulnerability that exposes sensitive information.");

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

  script_tag(name:"impact", value:"Successful exploits will allow unauthenticated attackers to
  obtain sensitive information of the device such as administrative password.");

  script_tag(name:"affected", value:"ASUS RT-N56U firmware version 1.0.1.4 and prior.");

  script_tag(name:"solution", value:"Please see the referenced advisories for a solution.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49308");
  script_xref(name:"URL", value:"http://www.kb.cert.org/vuls/id/200814");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");

port = http_get_port(default: 80);

banner = http_get_remote_headers(port: port);

if (!banner || 'Basic realm="RT-N56U"' >!< banner)
  exit(0);

url = "/QIS_wizard.htm?flag=detect.";

if (http_vuln_check(port: port, url: url, pattern: "<title>ASUS Wireless Router RT-N56U - Quickly Internet Setup")) {
  report = http_report_vuln_url(port: port, url: url);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);