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List: kde-core-devel
Subject: Re: Transparency -- take 2
From: Geert Jansen <g.t.jansen () stud ! tue ! nl>
Date: 1999-10-11 12:33:52
[Download RAW message or body]
Martin R. Jones wrote:
[about kdesktop and shared pixmaps]
> It also locks the screen - if its possible for a cracker to
> deliberately crash kdesktop this must be removed from here and a
> separate program (xscreensaver for example) used for locking.
In theory, it's possible to free a shared pixmap outside kdesktop. This
will give a BradDrawable error in kdesktop, probably crashing it. This, of
course, cannot happen if you use the interface defined by KSharedPixmap.
But: If a hacker has access to your display, he can do much more than just
crashing kdesktop.. It's not possible to protect against this. If a hacker
gets access to your display, you're screwed.
Greetings,
--
Geert Jansen email: <g.t.jansen at stud.tue.nl>
Phylosopher, Physicist PGP key ID: 0xD2B5E7CE
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