### [CVE-2023-21272](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21272)
![](https://img.shields.io/static/v1?label=Product&message=Android&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%2012L%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Elevation%20of%20privilege&color=brighgreen)

### Description

In readFrom of Uri.java, there is a possible bad URI permission grant due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Trinadh465/frameworks_base_AOSP-4.2.2_r1_CVE-2023-21272
- https://github.com/nidhi7598/frameworks_base_AOSP_06_r22_CVE-2023-21272
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/pazhanivel07/platform_frameworks_base_AOSP_10_r33_CVE-2023-21272