Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!elroy.jpl.nasa.gov!decwrl!pa.dec.com!decuac!hussar.dco.dec.com!mjr From: mjr@hussar.dco.dec.com (Marcus J. Ranum) Newsgroups: comp.unix.admin Subject: Re: Possible security problem, need information... Message-ID: <1991Mar19.151145.11208@decuac.dec.com> Date: 19 Mar 91 15:11:45 GMT References: <1991Mar18.200957.166@gacvx2.gac.edu> Organization: Digital Equipment Corp., Washington Ultrix Resource Center Lines: 19 In article <1991Mar18.200957.166@gacvx2.gac.edu> dan@gacvx2.gac.edu writes: >Greetings, > >Is there anything inherently evil giving world write access to the "root" (aka >"/") directory on a BSD 4.3 UNIX system? The exact permission with the command >"ls -ld /" is "drwxrwxrwt". mv /bin /... mkdir /bin ln /.../* /bin mv ~/myloginthatmailsmeallloginpasswords /bin/login unsubtle, but you get the idea. it's not "inherently evil" it's inherently brain-dead. mjr. -- The world is just backing store for virtual reality.