From owner-freebsd-questions Wed Mar 19 03:28:42 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id DAA17048 for questions-outgoing; Wed, 19 Mar 1997 03:28:42 -0800 (PST) Received: from matrix.42.org (sec@matrix.42.org [192.68.213.129]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id DAA17037 for ; Wed, 19 Mar 1997 03:28:38 -0800 (PST) Received: (from sec@localhost) by matrix.42.org (8.6.12/8.6.12) id MAA20222; Wed, 19 Mar 1997 12:28:22 +0100 To: freebsd-questions@freebsd.org Path: sec From: sec@42.org (Stefan `Sec` Zehl) Newsgroups: muc.lists.freebsd.questions Subject: Re: Is a device entry setuid to root a security issue? Date: 19 Mar 1997 12:28:22 +0100 Organization: Internet@home Lines: 22 Message-ID: References: <19970318232111.57970@mpress.mpress.com> X-Newsreader: slrn (0.9.3.0-2 BETA UNIX) Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Re, In article <19970318232111.57970@mpress.mpress.com>, Brian Litzinger wrote: > ERROR: home.xxx.com: [can not read/write /dev/null: Permission denied] > > So I took a peek: > > brian@home>ls -ld /dev/null > cr-sr-xr-x 1 root bin 2, 2 Dec 10 17:45 /dev/null* > > Is this a security risk? I dont think so, but anyway the permissions should look like this, i guess matrix:~>ll /dev/null crw-rw-rw- 1 root wheel 2, 2 Mar 19 12:11 /dev/null CU, Sec -- Fuer die Raupe ist es das Ende der Welt, Fuer den Rest der Welt ist es ein Schmetterling Error 0: No error