Raptor Firewall 6.5 HTTP Proxy Detection

#%NASL_MIN_LEVEL 70300
#
# copyright 2001 by Holm Diening / SLITE IT-Security ([email protected])
#
# See the Nessus Scripts License for details
#

# Changes by Tenable:
# - Revised plugin title, enhanced script output (7/06/09)

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(10730);
  script_version("1.23");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_name(english:"Raptor Firewall 6.5 HTTP Proxy Detection");

  script_set_attribute(attribute:"synopsis", value:
"A firewall / HTTP proxy is running in front of the remote web server.");
  script_set_attribute(attribute:"description", value:
"Raptor FW 6.5 appears to be running in front of the remote web
server.  By sending an invalid HTTP request to a web server behind
the Raptor firewall, the HTTP proxy itself will respond.  The server
banner of Raptor FW version 6.5 is always 'Simple, Secure Web Server
1.1'.  A remote attacker could use this information to mount further
attacks.");
  script_set_attribute(attribute:"solution", value:
"Patch httpd / httpd.exe by hand.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_set_attribute(attribute:"plugin_publication_date", value:"2001/08/23");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"asset_inventory", value:"True");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:symantec:raptor_firewall");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Firewalls");

  script_copyright(english:"This script is Copyright (C) 2001-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("find_service1.nasl", "httpver.nasl", "broken_web_server.nasl");
  script_require_ports("Services/www", 80);

  exit(0);
}

#
# The script code starts here
#
include("http_func.inc");
port = get_http_port(default:80, embedded:TRUE);


if (! get_port_state(port)) exit(0, "Port "+port+" is closed.");

socwww = open_sock_tcp(port);

if (! socwww) exit(1, "TCP connection failed to port "+port+".");

   teststring = string("some invalid request\r\n\r\n");
   testpattern = string("Simple, Secure Web Server 1.");
   send(socket:socwww, data:teststring);
   recv = http_recv(socket:socwww);
   if (testpattern >< recv)
   {
    security_warning(port);
    set_kb_item(name:"Services/www/" + port + "/embedded", value:TRUE);
   }
  close(socwww);