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From: Pavel Machek <pavel@ucw.cz>
To: Chris Wedgwood <cw@f00f.org>
Cc: Egmont Koblinger <egmont@uhulinux.hu>, linux-kernel@vger.kernel.org
Subject: Re: information leak in vga console scrollback buffer
Date: Tue, 22 Jun 2004 17:32:32 +0200	[thread overview]
Message-ID: <20040622153231.GA698@openzaurus.ucw.cz> (raw)
In-Reply-To: <20040612204352.GA22347@taniwha.stupidest.org>

Hi!

> > Using the standard vga console, it is easily possible to read some
> > random pieces of texts that were scrolled out a long time ago (often
> > you can see your boot messages or similar stuff even after switcing
> > to another console or even to X. All you need is a local user access
> > to the console.
> 
> Feature not bug.

Read it again. Scrollback should be cleared by console switch,
but it can be recovered using obscure escape sequence.

Time for bugtraq?

-- 
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms         


  parent reply	other threads:[~2004-06-24 13:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-12 20:01 information leak in vga console scrollback buffer Egmont Koblinger
2004-06-12 20:43 ` Chris Wedgwood
2004-06-12 20:54   ` Koblinger Egmont
2004-06-12 20:59     ` Chris Wedgwood
2004-06-12 21:22       ` Koblinger Egmont
2004-06-13  2:48         ` Kalin KOZHUHAROV
2004-06-13  3:47           ` David Lang
2004-06-13  4:08           ` Kalin KOZHUHAROV
2004-06-13  8:33           ` Koblinger Egmont
2004-06-13 10:52             ` Kalin KOZHUHAROV
2004-06-13 11:48               ` Koblinger Egmont
2004-06-22 15:32   ` Pavel Machek [this message]
2004-06-24 18:47     ` Chris Wedgwood
2004-06-24 21:41       ` Pavel Machek

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