### [CVE-2017-0909](https://www.cve.org/CVERecord?id=CVE-2017-0909)
![](https://img.shields.io/static/v1?label=Vendor&message=HackerOne&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=private_address_check%20ruby%20gem&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Versions%20before%200.4.1&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Incomplete%20Blacklist%20%28CWE-184%29&color=brightgreen)

### Description

The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.

### POC

#### Reference
- https://hackerone.com/reports/288950

#### Github
No PoCs found on GitHub currently.