Yealink IP Phone Default Credentials

2016-10-05T00:00:00
ID OPENVAS:1361412562310106326
Type openvas
Reporter This script is Copyright (C) 2016 Greenbone Networks GmbH
Modified 2016-10-05T00:00:00

Description

The Yealink IP Phone has default credentials set.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_yealink_ip_phone_default_creds_vuln.nasl 4214 2016-10-05 10:17:52Z ckuerste $
#
# Yealink IP Phone Default Credentials
#
# Authors:
# Christian Kuersteiner <christian.kuersteiner@greenbone.net>
#
# Copyright:
# Copyright (c) 2016 Greenbone Networks GmbH
#
# 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("1.3.6.1.4.1.25623.1.0.106326");
  script_version("$Revision: 4214 $");
  script_tag(name: "last_modification", value: "$Date: 2016-10-05 12:17:52 +0200 (Wed, 05 Oct 2016) $");
  script_tag(name: "creation_date", value: "2016-10-05 08:36:01 +0700 (Wed, 05 Oct 2016)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");

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

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

  script_name("Yealink IP Phone Default Credentials");

  script_category(ACT_ATTACK);

  script_copyright("This script is Copyright (C) 2016 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_yealink_ip_phone_detect.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_mandatory_keys("yealink_ipphone/detected");

  script_tag(name: "summary", value: "The Yealink IP Phone has default credentials set.");

  script_tag(name: "impact", value: "A remote attacker may gain sensitive information or reconfigure the Yealink
IP Phone.");

  script_tag(name: "solution", value: "Change the password");

  script_tag(name: "vuldetect", value: "Try to login with the default credentials.");

  exit(0);
}

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

port = get_http_port(default: 80);

banner = get_http_banner(port: port);
if ("yealink embed httpd" >!< banner)
  exit(0);

url = '/servlet?p=login&q=login';
data = 'username=admin&pwd=admin&jumpto=status&acc=';

req = http_post_req(port: port, url: url, data: data,
                    add_headers: make_array("Content-Type", "application/x-www-form-urlencoded"));

res = http_keepalive_send_recv(port: port, data: req, bodyonly: FALSE);

if (res !~ "HTTP/1\.. 401" && "Location: /servlet?p=status&q=load" >< res) {
  report = "It was possible to login with user 'admin' and password 'admin'.";
  security_message(port: port, data: report);
  exit(0);
}

exit(0);