[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Full-disclosure] Firefox 2.0.x: tracking unsuspecting users using TLS client certificates

Hi Peter,

On Fri, Sep 07, 2007 at 08:10:23PM +0200, Alexander Klink wrote:
> > While I can see the same use here, it seems you are saying anyone could 
> > have a look at certificates on your system, while cookies generally are 
> > limited to viewing by the issuing domain. What I don't understand is if 
> > there is a simple of knowing what certificate to ask for? For this to be 
> No, you can't really 'ask' for a certificate - the user chooses it 
> (or, in this case, the browser does so automatically).
Hmmm, I stand corrected (from Erik, who else? ;-). TLS actually allows
the server to ask for a specific type and/or CA.

Best regards,
  Alex
-- 
Dipl.-Math. Alexander Klink | IT-Security Engineer |    a.klink@xxxxxxxxx
 mobile: +49 (0)178 2121703 |          Cynops GmbH | http://www.cynops.de
----------------------------+----------------------+---------------------
      HRB 7833, Amtsgericht | USt-Id: DE 213094986 |     Geschäftsführer:
     Bad Homburg v. d. Höhe |                      |      Martin Bartosch

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/