cve/2020/CVE-2020-8631.md

### [CVE-2020-8631](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8631)
![](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

cloud-init through 19.4 relies on Mersenne Twister for a random password, which makes it easier for attackers to predict passwords, because rand_str in cloudinit/util.py calls the random.choice function.

### POC

#### Reference
- https://github.com/canonical/cloud-init/pull/204
- https://github.com/canonical/cloud-init/pull/204

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