Path: utzoo!attcan!uunet!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!pacbell.com!tandem!pegasus.dsg.tandem.com!ernest From: ernest@pegasus.dsg.tandem.com (Ernest Hua) Newsgroups: comp.unix.wizards Subject: should Unix refuse to execute writable binaries? Message-ID: <1991Mar2.193639.21105@tandem.com> Date: 2 Mar 91 19:36:39 GMT Sender: news@tandem.com Reply-To: ernest@pegasus.dsg.tandem.com (Ernest Hua) Organization: Tandem Computers, Inc. Lines: 16 Nntp-Posting-Host: pegasus.dsg.tandem.com ------------------------------------------------------------------------------- Actually the real question is: Should the Unix kernel refuse to execute binaries (or scripts) that are ... 1. setuid-ed plus group and/or world writable? 2. setgid-ed plus world writable? It seems like a simple check that should be help ensure a more secure Unix. Please E-mail replies and I will post a summary. ------------------------------------------------------------------------------- Ernest Hua Tandem Computers ernest@tandem.com 408-285-5580