Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!yetti!geac!daveb From: daveb@geac.UUCP (Brown) Newsgroups: comp.sources.d Subject: Re: kermit lock files - setuid/setgid security holes Message-ID: <1193@geac.UUCP> Date: Thu, 20-Aug-87 15:42:37 EDT Article-I.D.: geac.1193 Posted: Thu Aug 20 15:42:37 1987 Date-Received: Sat, 22-Aug-87 08:53:57 EDT References: <605@quacky.UUCP> Reply-To: daveb@geac.UUCP (Dave Collier-Brown) Distribution: world Organization: The little blue rock next to that twinkly star. Lines: 19 In article <605@quacky.UUCP> dce@mips.UUCP (David Elliott) writes: >The main theme seems to be "make kermit setuid uucp or setgid >daemon", which is not a good idea, folks. Oops, I wasn't thinking when I sugested that! I meant to say make a program executable by the Kermit _group_ but owned by root create/delete the lock files. Then you make it clean up any existing locks set by the same user (on the same port?), so if you crash out of Kermy your next try cleans up the dangling lock. --dave (put brain in gear befor engaging mouth) colier-brown -- David Collier-Brown. {mnetor|yetti|utgpu}!geac!daveb Geac Computers International Inc., | Computer Science loses its 350 Steelcase Road,Markham, Ontario, | memory (if not its mind) CANADA, L3R 1B3 (416) 475-0525 x3279 | every 6 months.