@kedetzer0 said:
Stuck on elevation of privilege. Just saw this is retiring so trying to get it before it does and wish I noticed earlier in the week. I have a shell at the moment and looking into the next steps. Happy to take a nudge. Just getting a shell took a while.
Read the source code and work out how to exploit the binary, then exploit it.
If you are good at binary exploitation this might be easy for you. I found it really, really challenging though.