sudo error: Permission denied.

[Todd C. Miller]

In message <EX-20020520-152548-0006 at exchange.fiserv-missive1.fiserv.net>
	so spake "King, Daniel" (Daniel.King):

> I just figured out that sudo requires that the parent directories of sudoers 
> must be world-execute.  Perhaps this is for navigation purposes?

By default sudo changes to uid 1 when reading the sudoers file and
relies on group read permissions.  This is to make NFS-mounted
sudoer files possible.  You can change this by running configure
with --with-sudoers-mode=0400

 - todd