### [CVE-2018-8780](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8780)
![](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

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.

### POC

#### Reference
- https://hackerone.com/reports/302338
- https://hackerone.com/reports/302338

#### Github
- https://github.com/ARPSyndicate/cvemon