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


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


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



VL-ID:
=====
2163


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


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


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


Status:
========
Published


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


Severity:
=========
High


Details:
========
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:
========
Vulnerability-Lab [admin@vulnerability-lab.com] - https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab


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===========
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