There are CTFs like this, or maybe some pwnable VMs on vulnhub. Here is one I went through when I was learning offensive security https://www.vulnhub.com/entry/

There are CTFs like this, or maybe some pwnable VMs on vulnhub. Here is one I went through when I was learning offensive security https://www.vulnhub.com/entry/primer-101,136/ https://www.vulnhub.com/entry/primer-101,136/