Hard coded Username and password in GiHub commit

Report Submission Form ## Summary: I was exploring the GitHub repository and I found some hard coded credentials in the commit history. These credentials are related to Vagrant tool which is used to setup virtual machines environment, This is a very critical disclosure and can lead to bigger damages. So I am informing this to you guys, please let me know what do you guys think. ## Steps To Reproduce: VISIT THESE LINKS Repository : kubernetes /kubernetes Commit Link : https://github.com/kubernetes/kubernetes/commit/5a0159ea00e082bc85bbec18d1ab7ae78d90fa4f Repository Link : https://github.com/kubernetes/kubernetes/blob/5a0159ea00e082bc85bbec18d1ab7ae78d90fa4f/cluster/kubecfg.sh ## Supporting Material/References: Reference: https://hackerone.com/reports/124100 ## Impact Vagrant is a tool for building and managing virtual machine environments in a single workflow. This can give hacker access to the hacker to the automation tool to setup VMs and their environment, which he can use for further escalation.