Apple iOS v12.1 - Authentication Bypass Vulnerability

Document Title:
===============
Apple iOS v12.1 - Authentication Bypass Vulnerability


References:
===========
https://www.vulnerability-lab.com/get_content.php?id=2163

Watch Video: https://www.youtube.com/watch?v=3jKMbdBo4kc

Advisory: https://www.vulnerability-lab.com/get_content.php?id=2162



Release Date:
=============
2018-11-07


Vulnerability Laboratory ID (VL-ID):
====================================
2163


Common Vulnerability Scoring System:
====================================
6.3


Vulnerability Class:
====================
Authentication Bypass


Current Estimated Price:
========================
10.000€ - 25.000€


Vulnerability Disclosure Timeline:
==================================
2018-11-01: Public Disclosure (Vulnerability Laboratory)


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


Exploitation Technique:
=======================
Local


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


Authentication Type:
====================
Pre Auth (No Privileges or Session)


User Interaction:
=================
No User Interaction


Disclosure Type:
================
Independent Security Research


Technical Details & Description:
================================
The video shows the access to the contacts list from outside by usage of the screenshot function. The requirements are siri, 
voiceover, sms answer (custom), screenshot edit function, signature menu and a camera app part as default setup. We can 
confirm the issue for the newst ios 12.0 & 12.1 version after patch. 
We tested with iphone 
6s and 7. The issue has been identified by the well known security researcher benjamin kunz mejri and was developed in our 
internal laboratory environment with robert heinrich rauer.


Credits & Authors:
==================
Vulnerability-Lab [[email protected]] - https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab


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