From owner-freebsd-security Fri May 21 8:55:22 1999 Delivered-To: freebsd-security@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id 543A115ABF for ; Fri, 21 May 1999 08:55:17 -0700 (PDT) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.1/8.9.1) id LAA23107; Fri, 21 May 1999 11:55:10 -0400 (EDT) (envelope-from wollman) Date: Fri, 21 May 1999 11:55:10 -0400 (EDT) From: Garrett Wollman Message-Id: <199905211555.LAA23107@khavrinen.lcs.mit.edu> To: wkt@cs.adfa.edu.au Cc: security@FreeBSD.ORG Subject: Lowering securelevel from console? In-Reply-To: <199905210635.QAA10497@henry.cs.adfa.edu.au> References: <199905210635.QAA10497@henry.cs.adfa.edu.au> Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org < said: > Now, are there any other reasons why lowering securelevel as root from > the console (and no net connectivity) would be a BAD thing? A rogue root process could use the debugger to take control of another process (e.g., getty) and force it to disengage security. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message