Document Title:
===============
PayPal #123 - Security Key Pin Approval & Expire Bypass


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=1697

Video: https://www.youtube.com/watch?v=5O0b88K_hJU



Release Date:
=============
2016-02-01


Vulnerability Laboratory ID (VL-ID):
====================================
1697


Common Vulnerability Scoring System:
====================================
5.6


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


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


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


Technical Details & Description:
================================
The issue demonstrates a bug in the expire and approval for the security key pin that is issued by the paypal online-service web-application.
Regular the pins that arrive via sms and will expire after some time has left (5minutes). The video demonstrates a flaw in the application, 
that allows to use the pin after the expiration duration of 5minutes. The pin is used to confirm an account or to reset the password via 2FA.


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


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