cve/2017/CVE-2017-5850.md

### [CVE-2017-5850](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5850)
![](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

httpd in OpenBSD allows remote attackers to cause a denial of service (memory consumption) via a series of requests for a large file using an HTTP Range header.

### POC

#### Reference
- http://packetstormsecurity.com/files/140944/OpenBSD-HTTP-Server-6.0-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2017/Feb/15
- https://pierrekim.github.io/blog/2017-02-07-openbsd-httpd-CVE-2017-5850.html
- https://www.exploit-db.com/exploits/41278/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/vshaliii/DC-1-Vulnhub-Walkthrough