CVEs-PoC/2021/CVE-2021-0963.md

### [CVE-2021-0963](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0963)
![](https://img.shields.io/static/v1?label=Product&message=Android&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Android-10%20Android-11%20Android-12%20Android-9%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Elevation%20of%20privilege&color=brightgreen)

### Description

In onCreate of KeyChainActivity.java, there is a possible way to use an app certificate stored in keychain due to a tapjacking/overlay attack. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-199754277

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Trinadh465/packages_apps_KeyChain_AOSP10_r33_CVE-2021-0963
- https://github.com/nomi-sec/PoC-in-GitHub