### [CVE-2023-5139](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5139)
![](https://img.shields.io/static/v1?label=Product&message=Zephyr&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=*%3C%203.5%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-120%20Buffer%20Copy%20without%20Checking%20Size%20of%20Input%20('Classic%20Buffer%20Overflow')&color=brighgreen)

### Description

Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver

### POC

#### Reference
- http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rhrc-pcxp-4453

#### Github
- https://github.com/0xdea/advisories
- https://github.com/hnsecurity/vulns