Martin, what distro version are you running? I confirmed that /etc/sudoers.d is 755 by default on 12.04, 14.04 and 15.04. There are still lots of other vectors for exploitation though, the most reliable being /etc/logrotate.d. But it only runs once per day so you need a bit of patience..
Martin, what distro version are you running? I confirmed that /etc/sudoers.d is 755 by default on 12.04, 14.04 and 15.04. There are still lots of other vectors for exploitation though, the most reliable being /etc/logrotate.d. But it only runs once per day so you need a bit of patience..