cve/2019/CVE-2019-8540.md

### [CVE-2019-8540](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8540)
![](https://img.shields.io/static/v1?label=Product&message=iOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=tvOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=watchOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20iOS%2012.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20macOS%20Mojave%2010.14.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20tvOS%2012.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20watchOS%205.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20malicious%20application%20may%20be%20able%20to%20determine%20kernel%20memory%20layout&color=brighgreen)

### Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to determine kernel memory layout.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/0xT11/CVE-POC
- https://github.com/alphaSeclab/sec-daily-2019
- https://github.com/developer3000S/PoC-in-GitHub
- https://github.com/hectorgie/PoC-in-GitHub
- https://github.com/maldiohead/CVE-2019-8540