From: daw@mozart.cs.berkeley.edu (David Wagner)
To: linux-kernel@vger.kernel.org
Subject: Re: 2.4.22-pre7: are security issues solved?
Date: Wed, 23 Jul 2003 17:50:14 +0000 (UTC) [thread overview]
Message-ID: <bfmhsm$n1o$2@abraham.cs.berkeley.edu> (raw)
In-Reply-To: 20030723115742.GK150921@niksula.cs.hut.fi
Ville Herva wrote:
>Further, if you monitor the /proc/tty/driver/serial character counts with
>small enough resolution, I guess you could learn the delays between
>individual key presses when the user enters his password. This can be used
>to further aid the brute force attack (delays between different key pairs
>have different average delays statistically, just as different characters
>have different frequencies in a given language. I think there is a paper on
>this, and someone suggested an attack like this for snooping ssh
>passwords.)
Yes. The paper describing the attack on SSH is here:
http://www.cs.berkeley.edu/~daw/papers/ssh-use01.ps
http://www.cs.berkeley.edu/~daw/papers/ssh-use01.pdf
Dawn Xiaodong Song, David Wagner, and Xuqing Tian,
"Timing Analysis of Keystrokes and Timing Attacks on SSH",
10th USENIX Security Symposium, 2001.
A nice summary can be found here:
http://linux.oreillynet.com/lpt/a/linux/2001/11/08/ssh_keystroke.html
next prev parent reply other threads:[~2003-07-23 17:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-21 20:40 2.4.22-pre7: are security issues solved? Aschwin Marsman
2003-07-22 7:04 ` Marc-Christian Petersen
2003-07-22 15:02 ` Aschwin Marsman
2003-07-22 15:07 ` Marc-Christian Petersen
2003-07-22 17:01 ` Marcelo Tosatti
2003-07-23 9:56 ` Herbert Xu
2003-07-23 10:35 ` David S. Miller
2003-07-23 10:39 ` Herbert Xu
2003-07-23 10:48 ` David S. Miller
2003-07-23 10:47 ` Herbert Xu
2003-07-23 10:50 ` David S. Miller
2003-07-23 10:59 ` Herbert Xu
2003-07-23 20:16 ` Aurelien Jarno
2003-07-23 20:23 ` Alan Cox
2003-07-23 17:47 ` David Wagner
2003-07-23 11:57 ` Ville Herva
2003-07-23 17:50 ` David Wagner [this message]
2003-07-24 9:11 ` Florian Weimer
-- strict thread matches above, loose matches on Subject: below --
2003-07-23 12:56 John Bradford
2003-07-23 13:10 ` root
2003-07-23 14:08 John Bradford
2003-07-23 15:46 ` Aschwin Marsman
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