cve/2020/CVE-2020-29238.md

### [CVE-2020-29238](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29238)
![](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

An integer buffer overflow in the Nginx webserver of ExpressVPN Router version 1 allows remote attackers to obtain sensitive information when the server running as reverse proxy via specially crafted request.

### POC

#### Reference
- http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.html
- http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/IDEA-Research-Group/AMADEUS
- https://github.com/ajvarela/amadeus-exploit