Path: utzoo!utgpu!water!watmath!clyde!att!oucsace!pmech From: pmech@oucsace.cs.OHIOU.EDU (Paul J. Mech) Newsgroups: news.sysadmin Subject: Re: Security checkup Summary: Specific place to look Message-ID: <303@oucsace.cs.OHIOU.EDU> Date: 4 Oct 88 04:39:20 GMT References: <167@carpet.WLK.COM> <5014@medusa.cs.purdue.edu> Distribution: na Organization: Ohio University CS Dept., Athens Lines: 13 In article <5014@medusa.cs.purdue.edu>, spaf@cs.purdue.edu (Gene Spafford) writes: > > 2) Allow NO accounts without passwords, including uucp. > One place to watch out for is that many systems come with a hardware-vendor maintainence uid, often with root permissions. I have broken into (in each case at the request of the system's owner) three separate systems (a VAX, a Tower, and an Isotron/OSI) with this approach, and if not granted root privileges immediately, gained root access within 5 min. This is a massive hole that frequently has not been clearly documented. Paul J. Mech