CVEs-PoC/2020/CVE-2020-3919.md

### [CVE-2020-3919](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3919)
![](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%2013.4%20and%20iPadOS%2013.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20macOS%20Catalina%2010.15.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20tvOS%2013.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20watchOS%206.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20malicious%20application%20may%20be%20able%20to%20execute%20arbitrary%20code%20with%20kernel%20privileges&color=brighgreen)

### Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. A malicious application may be able to execute arbitrary code with kernel privileges.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/houjingyi233/macOS-iOS-system-security