Messages in this thread | | | Subject | Re: devfs initial permissions | From | Robert Bihlmeyer <> | Date | 13 Jan 1998 11:16:25 +0100 |
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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>
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