cve/2021/CVE-2021-0317.md

### [CVE-2021-0317](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0317)
![](https://img.shields.io/static/v1?label=Product&message=Android&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Elevation%20of%20privilege&color=brighgreen)

### Description

In createOrUpdate of Permission.java and related code, there is possible permission escalation due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-10, Android-11, Android-8.0, Android-8.1, Android-9; Android ID: A-168319670.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Ghizmoo/DroidSolver
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/TinyNiko/android_bulletin_notes
- https://github.com/WhooAmii/POC_to_review
- https://github.com/k0mi-tg/CVE-POC
- https://github.com/manas3c/CVE-POC
- https://github.com/nanopathi/framework_base_AOSP10_r33_CVE-2021-0306_CVE-2021-0317
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/trhacknon/Pocingit
- https://github.com/whoforget/CVE-POC
- https://github.com/youwizard/CVE-POC
- https://github.com/zecool/cve