CVEs-PoC/2021/CVE-2021-23597.md

### [CVE-2021-23597](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23597)
![](https://img.shields.io/static/v1?label=Product&message=fastify-multipart&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%205.3.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Denial%20of%20Service%20(DoS)&color=brighgreen)

### Description

This affects the package fastify-multipart before 5.3.1. By providing a name=constructor property it is still possible to crash the application. **Note:** This is a bypass of CVE-2020-8136 (https://security.snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-1290382).

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-2395480

#### Github
- https://github.com/dellalibera/dellalibera