IZON IP Cameras Hardcoded Credentials (Telnet)

# 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("1.3.6.1.4.1.25623.1.0.103824");
  script_version("2023-07-27T05:05:08+0000");
  script_cve_id("CVE-2013-6236");
  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_name("IZON IP Cameras Hardcoded Credentials (Telnet)");
  script_xref(name:"URL", value:"https://blog.duosecurity.com/2013/10/izon-ip-camera-hardcoded-passwords-and-unencrypted-data-abound/");
  script_xref(name:"URL", value:"https://securityledger.com/2013/10/apple-store-favorite-izon-cameras-riddled-with-security-holes/");

  script_tag(name:"last_modification", value:"2023-07-27 05:05:08 +0000 (Thu, 27 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/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:"2020-02-25 18:51:00 +0000 (Tue, 25 Feb 2020)");
  script_tag(name:"creation_date", value:"2013-11-07 11:02:55 +0200 (Thu, 07 Nov 2013)");
  script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
  script_family("Default Accounts");
  script_copyright("Copyright (C) 2013 Greenbone AG");
  script_dependencies("telnetserver_detect_type_nd_version.nasl", "gb_default_credentials_options.nasl");
  script_require_ports("Services/telnet", 23);
  script_mandatory_keys("telnet/izon/ip_camera/detected");
  script_exclude_keys("default_credentials/disable_default_account_checks");

  script_tag(name:"impact", value:"Attackers can exploit these issues to gain unauthorized access to the
  affected device and perform certain administrative actions.");

  script_tag(name:"vuldetect", value:"Start a telnet session with the hardcoded credentials.");

  script_tag(name:"insight", value:"A user can login to the Telnet service (also with root privileges) using the
  hardcoded credentials:

  root:stemroot

  admin:/ADMIN/

  mg3500:merlin");

  script_tag(name:"solution", value:"Ask the Vendor for an update.");

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

  script_tag(name:"summary", value:"The remote IZON IP camera is using known hardcoded credentials.");

  exit(0);
}

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

include("telnet_func.inc");
include("misc_func.inc");
include("port_service_func.inc");
include("dump.inc");

port = telnet_get_port(default:23);
banner = telnet_get_banner(port:port);
if(!banner || "izon login" >!< banner)
  exit(0);

up = make_array("root","stemroot","admin","/ADMIN/","mg3500","merlin");

foreach login (keys(up)) {

  soc = open_sock_tcp(port);
  if(!soc)exit(0);

  recv(socket:soc, length:1024);

  send(socket:soc, data:login + '\r\n');
  recv = recv(socket:soc, length:512);
  if("Password:" >!< recv)continue;

  send(socket:soc, data: up[login] + '\r\n');
  while(recv = recv(socket:soc, length:1024)) x++;

  send(socket:soc, data: 'id\r\n');
  recv = recv(socket:soc, length:512);

  close(soc);

  if(recv =~ 'uid=[0-9]+.*gid=[0-9]+') {
    security_message(port:port, data: 'It was possible to login with username "' + login + '" using password "' + up[login] + '"\n');
    exit(0);
  }
}

exit(99);