CVEs-PoC/2020/CVE-2020-11076.md

### [CVE-2020-11076](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11076)
![](https://img.shields.io/static/v1?label=Product&message=puma&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-444%3A%20Inconsistent%20Interpretation%20of%20HTTP%20Requests%20('HTTP%20Request%20Smuggling')&color=brighgreen)

### Description

In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/0xT11/CVE-POC
- https://github.com/ARPSyndicate/cvemon
- https://github.com/dentarg/cougar
- https://github.com/developer3000S/PoC-in-GitHub
- https://github.com/hectorgie/PoC-in-GitHub
- https://github.com/mo-xiaoxi/HDiff
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/soosmile/POC