Xref: utzoo comp.unix.programmer:1312 alt.sources.d:1614 Path: utzoo!utgpu!cs.utexas.edu!sun-barr!newstop!west!texsun!convex!usenet From: tchrist@convex.COM (Tom Christiansen) Newsgroups: comp.unix.programmer,alt.sources.d Subject: Re: C2 secure systems and the superuser Message-ID: <1991Mar14.022920.19647@convex.com> Date: 14 Mar 91 02:29:20 GMT References: <19103@rpp386.cactus.org> <1991Mar13.185609.21132@convex.com> <5988:Mar1400:07:0391@kramden.acf.nyu.edu> Sender: usenet@convex.com (news access account) Reply-To: tchrist@convex.COM (Tom Christiansen) Organization: CONVEX Software Development, Richardson, TX Lines: 28 Nntp-Posting-Host: pixel.convex.com From the keyboard of brnstnd@kramden.acf.nyu.edu (Dan Bernstein): :In article <1991Mar13.185609.21132@convex.com> tchrist@convex.COM (Tom Christiansen) writes: :> From the keyboard of jfh@rpp386.cactus.org (John F Haugh II): :> :In article <1991Mar13.042033.12450@convex.com> tchrist@convex.COM (Tom Christiansen) writes: :> :>I maintain that both "auth" and "sysadmin" give you indirect :> :>root privileges. : :Undoubtedly you would stop complaining if ``auth'' were named :``root-auth'' and ``sysadmin'' were named ``root-sysadmin''. No, I don't think I would. The C2 folks seem to think a system is more secure this way, but I see it as having N accounts to try to find holes into rather than just one. This makes it easier for the cracker. :> :Perhaps "sysadmin" also lets you crash :> :the machine by unmounting critical volumes or over-mounting :> :others. A quick look at the audit logs will reveal what :> :happened. :> Audit logs can be altered once you are powerful enough. And :> it's important to stop it from happening in the first place. : :The situation is no worse than the situation where ``sysadmin'' equals :``root'' to begin with. Except for that people think it's more secure when it's not. --tom