cve/2017/CVE-2017-18302.md

### [CVE-2017-18302](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18302)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Automobile%2C%20Snapdragon%20Mobile&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=TOCTOU%20Vulnerabilities%20in%20Ontario%20Driver&color=brighgreen)

### Description

In Snapdragon (Automobile ,Mobile) in version MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016, a crafted HLOS client can modify the structure in memory passed to a QSEE application between the time of check and the time of use, resulting in arbitrary writes to TZ kernel memory regions.

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins

#### Github
- https://github.com/ARPSyndicate/cvemon