cve/2019/CVE-2019-8637.md

### [CVE-2019-8637](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8637)
![](https://img.shields.io/static/v1?label=Product&message=iOS&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%2012.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20tvOS%2012.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20watchOS%205.2.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20malicious%20application%20may%20be%20able%20to%20gain%20root%20privileges&color=brighgreen)

### Description

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to gain root privileges.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/DanyL/lockdownd_playground