Document Title:
===============
Apple iOS v11 6S & 7 - (Health App) DoS Vulnerability


References:
===========
https://www.vulnerability-lab.com/get_content.php?id=2103

Video: https://www.youtube.com/watch?v=AC8Jc8s7uCU

ID: 677013407



Release Date:
=============
2018-01-04


Vulnerability Laboratory ID (VL-ID):
====================================
2103


Common Vulnerability Scoring System:
====================================
2.8


Vulnerability Class:
====================
Denial of Service


Current Estimated Price:
========================
500€ - 1.000€


Vulnerability Disclosure Timeline:
==================================
2018-01-04: Public Disclosure (Vulnerability Laboratory)


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


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


Severity Level:
===============
Low


Technical Details & Description:
================================
The video explains a local denial of service vulnerability in the health app with the emergency call profile.
The health application with the emergency profile allows to loop a link which can result in an application crash.
The link loop results in a cpu lack and thus behavoir can shutdown the process immediatly. The data analysis of 
the idevice captures the event as a bug error to report. The issue was reported as bug to the apple product security team and 
was tracked with id 677013407 for the developer team. There are two known ways to trigger the issue.
Apple fixed the issue after the 10.3.3 release and implemented a functionality to cover such crash loops.


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


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