CVEs-PoC/2020/CVE-2020-3686.md

### [CVE-2020-3686](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3686)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20IOT%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20IoT%2C%20Snapdragon%20Mobile%2C%20Snapdragon%20Voice%20%26%20Music%2C%20Snapdragon%20Wearables%2C%20Snapdragon%20Wired%20Infrastructure%20and%20Networking&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Buffer%20Copy%20Without%20Checking%20Size%20of%20Input%20in%20Audio&color=brighgreen)

### Description

Possible memory out of bound issue during music playback when an incorrect bit stream content is copied into array without checking the length of array in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins/december-2020-bulletin

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