cve/2016/CVE-2016-20013.md

### [CVE-2016-20013](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-20013)
![](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

sha256crypt and sha512crypt through 0.6 allow attackers to cause a denial of service (CPU consumption) because the algorithm's runtime is proportional to the square of the length of the password.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/adegoodyer/kubernetes-admin-toolkit
- https://github.com/adegoodyer/ubuntu
- https://github.com/kholia/chisel-examples
- https://github.com/tl87/container-scanner