An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "NSURLSession" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

The version of Apple iOS running on the mobile device is prior to 11.3. It is, therefore, affected by multiple vulnerabilities.

The remote host is running a version of macOS that is 10.13.x prior to 10.13.4. It is, therefore, affected by multiple vulnerabilities in the following components :

 - Admin Framework
 - APFS
 - ATS
 - CoreFoundation
 - CoreText
 - Disk Images
 - Disk Management
 - File System Events
 - iCloud Drive
 - Intel Graphics Driver
 - IOFireWireFamily
 - Kernel
 - kext tools
 - LaunchServices
 - Mail
 - Notes
 - NSURLSession
 - NVIDIA Graphics Drivers
 - PDFKit
 - PluginKit
 - Quick Look
 - Security
 - Storage
 - System Preferences
 - Terminal
 - WindowServer

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

According to its banner, the version of Apple TV on the remote device is prior to 11.3. It is, therefore, affected by multiple vulnerabilities as described in the HT208698 security advisory.

Note that only 4th and 5th generation models are affected by these vulnerabilities.

ID	Name	Product	Family	Severity
700548	Apple iOS < 11.3 Multiple Vulnerabilities	Nessus Network Monitor	Mobile Devices	critical
700515	macOS 10.13.x < 10.13.4 Multiple Vulnerabilities	Nessus Network Monitor	Operating System Detection	critical
109060	Apple TV < 11.3 Multiple Vulnerabilities	Nessus	Misc.	critical
108812	Apple iOS < 11.3 Multiple Vulnerabilities	Nessus	Mobile Devices	critical

Detections

Analytics

CVE-2018-4166

high

Tenable Plugins

critical

critical

critical

critical