Securityproblem on ypservers by building ypmaps

Hi, I just changes users on a plain linux suse-7.0 on the ypserver as root After testing with my normal user rights and locking around I went to /var/yp typing make and got new ypmaps. All where build, only yppasswd because of my ristricted rights as normal user. In result every user can do the same and building new ypmaps, only the passwd is untouched. Is this a problem ? Jörg Schläger P.S.: at once I changed the permissions of the used programs for creating yp maps