CVEs-PoC/2020/CVE-2020-27932.md

### [CVE-2020-27932](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27932)
![](https://img.shields.io/static/v1?label=Product&message=iOS%20and%20iPadOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=watchOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2010.15%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2011.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2012.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2014.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%202020%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%205.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%206.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%207.1%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 type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.

### POC

#### Reference
- http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html

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