On Ubuntu MATE 17.10 I can confirm ~/.config is drwxr-xr-x However with a new user ~/.cache is drwxrwxr-x and ~/.local is drwx------
On Ubuntu MATE 17.10 I can confirm ~/.config is drwxr-xr-x
However with a new user ~/.cache is drwxrwxr-x and ~/.local is drwx------