CVEs-PoC/2020/CVE-2020-10023.md

### [CVE-2020-10023](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10023)
![](https://img.shields.io/static/v1?label=Product&message=zephyr&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D%201.14.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-120%20Buffer%20Overflow&color=brighgreen)

### Description

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

### POC

#### Reference
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/CBackyx/CVE-Reproduction