I got a scenario where a customized Ubuntu 12.04 Linux OS has a read only filesystem which doesn't have terminal access. My goal is to create a file with root access using normal users permission. I got few configuration directories which have
777 permission as normal user "NOT AS SUDO".
I would like to know if there is any exploit or alternate way to
setuID 0 to a file from the normal user? I can't do GRUB related stuff to the root system because GRUB timeout is