bugtraq - Re: Clear text password exposure in Datakey's tokens and smartcards

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Message-ID: <41114304.4090403@microlink.ee>
Date: Wed, 04 Aug 2004 23:11:48 +0300
From: Toomas Soome <Toomas.Soome@...rolink.ee>
To: lionel.ferette@...net.be
Cc: vuln@...view.com, full-disclosure@...ts.netsys.com,
   bugtraq@...urityfocus.com
Subject: Re: Clear text password exposure in Datakey's tokens
 and smartcards


Lionel Ferette wrote:

> Note that this is true for almost all card readers on the market, not only for 
> Datakey's. Having worked for companies using crypto smart cards, I have 
> conducted a few risk analysis about that. The conclusion has always been that 
> if the PIN must be entered from a PC, and the attacker has means to install 
> software on the system (through directed viruses, social engineering, etc), 
> the game's over.
> 
> The only solution against that problem is to have the PIN entered using a 
> keypad on the reader. Only then does the cost of an attack raise 
> significantly. But that is opening another can of worms, because there is 
> (was?) no standard for card readers with attached pin pad (at the time, 
> PC/SCv2 wasn't finalised - is it?).
> 

at least some cards are supporting des passphrases to implement secured 
communication channels but I suppose this feature is not that widely in 
use....  how many card owners are prepared to remember both PIN codes 
and passphrases...

toomas

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