### [CVE-2017-18278](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18278)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Automobile%2C%20Snapdragon%20Mobile%2C%20Snapdragon%20Wear&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=MDM9206%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=MDM9607%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=MDM9650%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20210%2FSD%20212%2FSD%20205%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20425%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20430%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20450%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20625%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20650%2F52%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20820%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20820A%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20835%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20845%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=SD%20850%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE680%3A%20Integer%20Overflow%20to%20Buffer%20Overflow&color=brightgreen)

### Description

An integer underflow may occur due to lack of check when received data length from font_mgr_qsee_request_service is bigger than the minimal value of the segment header, which may result in a buffer overflow, in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in MDM9206, MDM9607, MDM9650, SD 210/SD 212/SD 205, SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850.

### POC

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

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