cve/2023/CVE-2023-33660.md

### [CVE-2023-33660](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-33660)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function copyn_str() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.

### POC

#### Reference
- https://github.com/emqx/nanomq/issues/1155

#### Github
- https://github.com/DiRaltvein/memory-corruption-examples