cve/2021/CVE-2021-30769.md

### [CVE-2021-30769](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30769)
![](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%2014.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%207.6%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20malicious%20attacker%20with%20arbitrary%20read%20and%20write%20capability%20may%20be%20able%20to%20bypass%20Pointer%20Authentication&color=brighgreen)

### Description

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Abdulhadi21/fugu14
- https://github.com/Abdulhadi21/https-github.com-LinusHenze-Fugu14
- https://github.com/LinusHenze/Fugu14
- https://github.com/epeth0mus/Fugu16
- https://github.com/evilcorp1311/kkkk
- https://github.com/gfam2801/fugu14-online
- https://github.com/houjingyi233/macOS-iOS-system-security
- https://github.com/nanerasingh/fugu14