HP IP Console Switch KVM Default Credentials (HTTP)

# SPDX-FileCopyrightText: 2013 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("1.3.6.1.4.1.25623.1.0.103765");
  script_version("2023-12-13T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2013-08-19 11:03:03 +0100 (Mon, 19 Aug 2013)");
  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_name("HP IP Console Switch KVM Default Credentials (HTTP)");

  script_category(ACT_ATTACK);
  script_family("Default Accounts");
  script_copyright("Copyright (C) 2013 Greenbone AG");
  script_dependencies("find_service.nasl", "httpver.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "gb_default_credentials_options.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 443);
  script_exclude_keys("Settings/disable_cgi_scanning", "default_credentials/disable_default_account_checks");

  script_tag(name:"impact", value:"This issue may be exploited by a remote attacker to gain access to
  sensitive information or modify system configuration without requiring authentication.");

  script_tag(name:"vuldetect", value:"This check tries to login into the remote KVM as Admin.");

  script_tag(name:"insight", value:"It was possible to login with username 'Admin' and an empty password.");
  script_tag(name:"solution", value:"Set a password.");

  script_tag(name:"summary", value:"The remote HP KVM is using known default credentials.");

  script_tag(name:"solution_type", value:"Mitigation");
  script_tag(name:"qod_type", value:"remote_vul");
  exit(0);
}

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

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

port = http_get_port(default:443);
if(!http_can_host_php(port:port))
  exit(0);

buf = http_get_cache(port:port, item:"/login.php");

if(!egrep(pattern:'<title>HP IP Console Switch .* Explorer</title>', string:buf) || "loginUsername" >!< buf)exit(0);

useragent = http_get_user_agent();
host = http_host_name(port:port);

req = 'POST /login.php HTTP/1.1\r\n' +
      'Host: ' + host + '\r\n' +
      'User-Agent: ' + useragent + '\r\n' +
      'Accept-Encoding: Identity\r\n' +
      'Connection: close\r\n' +
      'Referer: https://' + host + ' /login.php\r\n' +
      'Cookie: avctSessionId=; /home.php-t1s=1\r\n' +
      'Content-Type: application/x-www-form-urlencoded\r\n' +
      'Content-Length: 59\r\n' +
      '\r\n' +
      'action=login&loginUsername=Admin&loginPassword=&language=de';

buf = http_keepalive_send_recv(port:port, data:req);

if("302 Found" >!< buf || "/home.php" >!< buf) exit(0);

session = eregmatch(pattern:"avctSessionId=([0-9]+)", string:buf);

if(isnull(session[1]))exit(0);

avctSessionId = session[1];

req = 'GET /home.php HTTP/1.1\r\n' +
      'Host: ' + host + '\r\n' +
      'User-Agent: ' + useragent + '\r\n' +
      'Connection: close\r\n' +
      'Accept-Encoding: Identity\r\n' +
      'Accept-Language:en-us;\r\n' +
      'Cookie: avctSessionId=' + avctSessionId + '\r\n\r\n';

buf = http_keepalive_send_recv(port:port, data:req);

if("Admin" >< buf && "/appliance-overview.php" >< buf && "/logout.php" >< buf) {
  security_message(port:port);
  exit(0);
}

exit(99);