CVEs-PoC/2017/CVE-2017-3204.md

### [CVE-2017-3204](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3204)
![](https://img.shields.io/static/v1?label=Product&message=SSH%20library&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-310&color=brighgreen)

### Description

The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/yaronsumel/grapes