Web Remote Viewer Default Credentials (HTTP)

# 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("1.3.6.1.4.1.25623.1.0.113240");
  script_version("2023-07-20T05:05:17+0000");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2018-08-01 12:07:22 +0200 (Wed, 01 Aug 2018)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");

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

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

  script_name("Web Remote Viewer Default Credentials (HTTP)");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Default Accounts");
  script_dependencies("gb_web_remote_viewer_detect.nasl", "gb_default_credentials_options.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("web_remote_viewer/detected");
  script_exclude_keys("default_credentials/disable_default_account_checks");

  script_tag(name:"summary", value:"Web Remote Viewer has
  the default username 'ADMIN' with the default password '1234'.");

  script_tag(name:"vuldetect", value:"Tries to login using the default username and password.");

  script_tag(name:"affected", value:"All IP Cameras running Web Remote Viewer.");

  script_tag(name:"solution", value:"Change the password of the 'ADMIN' account.");

  exit(0);
}

if(get_kb_item("default_credentials/disable_default_account_checks"))
  exit(0);

CPE = "cpe:/a:dvr:web_remote_viewer";

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

if( ! port = get_app_port( cpe: CPE ) )
  exit( 0 );

if( ! path = get_app_location( cpe: CPE, port: port ) )
  exit( 0 );

if( path == "/" )
  path = "";
url = path + "/html/live.htm";

username = "ADMIN";
password = "1234";

auth_header = make_array( "Authorization", "Basic " + base64( str: username + ":" + password ) );
req = http_get_req( port: port, url: url, add_headers: auth_header );
buf = http_keepalive_send_recv( port: port, data: req );

if( buf =~ "^HTTP/1\.[01] 200" && buf =~ '<div id="lang_[Cc]hannel[Nn]o">[Cc]hannel [Nn]o[.]</div>' ) {
  report = "It was possible to login using the username '" + username + "' and the password '" + password + "'.";
  security_message( data: report, port: port );
  exit( 0 );
}

exit( 99 );