Lab: Blind OS command injection with time delays
This lab contains a blind OS command injection vulnerability in the feedback function.
The application executes a shell command containing the user-supplied details. The output from the command is not returned in the response.
To solve the lab, exploit the blind OS command injection vulnerability to cause a 10 second delay.
Use Burp Suite to intercept and modify the request that submits feedback.
Modify the email parameter, changing it to: email=x||ping+-c+10+127.0.0.1||
Observe that the response takes 10 seconds to return.