lkml.org 
[lkml]   [1998]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: devfs initial permissions
From
Date
Hi,

>>>>> On Mon, 12 Jan 1998 10:37:54 +0100
>>>>> Andreas Jellinghaus <aj@dungeon.inka.de> said:

Andreas> for example : look at your own system : what permission do
Andreas> your mouse devices have ? writing to mouse devices can at
Andreas> least freeze X11. if you have no way to telnet to your
Andreas> machine ... someone reported he could do harm the system
Andreas> with writing to /dev/psaux (see bugtraq report).

I just froze X with that. On some combinations (XFree86 3.3.1/Linux
2.0.30/serial ms-mouse) you can control the mouse without X crashing
by writing to /dev/ttySxx. So if root has, for example, XEmacs running
(or accessible via wm-menu) and does not look at the screen...

Robbe

--
Robert Bihlmeyer reads: Deutsch, English, MIME, Latin-1, NO SPAM!
<robbe@orcus.priv.at> <http://stud2.tuwien.ac.at/~e9426626/sig.html>

\
 
 \ /
  Last update: 2005-03-22 13:41    [W:4.341 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site