Document Title:
===============
PayPal - Mobile Security Approval Auth Bypass Vulnerability


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=1485

Video: https://www.youtube.com/watch?v=Gzq8TD2Co9Y

Advisory: http://www.vulnerability-lab.com/get_content.php?id=1486



Release Date:
=============
2015-09-02


Vulnerability Laboratory ID (VL-ID):
====================================
1485


Common Vulnerability Scoring System:
====================================
6.1


Abstract Advisory Information:
==============================
API Identity Check Restriction Bypass Vulnerability


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


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


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


Technical Details & Description:
================================
The video demonstrates a security bug in the official paypal mobile ios api. The bug allows to bypas the account restriction by usage of a validation flaw inside of the service.
The identity check approves restricted user accounts. In the first released issue we demonstrated how to bypass the auth. In case of the new issue 
the researcher demonstrates how to bypass the identity check that approves the paypal account. The attacker bypass the validation by multiple 
requests and dumps the real website for login inside the app with cookies and co.


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@evolution-sec.com) [www.vulnerability-lab.com]


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