cve/2017/CVE-2017-18594.md

### [CVE-2017-18594](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18594)
![](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

nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse.

### POC

#### Reference
- https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF

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