CVEs-PoC/2021/CVE-2021-0321.md

### [CVE-2021-0321](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0321)
![](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=Information%20disclosure&color=brighgreen)

### Description

In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Android ID: A-166667403.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/TinyNiko/android_bulletin_notes