SSL Flaw by (Browser) Design?
Jul 23, 2009, 15:02 (0 Talkback[s])
(Other stories by Eddy Nigg)
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"Some sites reported the alleged attack on EV SSL
secured sites as a means to prove that Extended Validation (EV)
digital certificates aren't any more secure than regular SSL
certificates. That's obviously an interesting claim since EV
certificates traditionally cost quite a lot more than those that
don't turn the address bar of the browsers green.
"Our two "white hats" were carefully to point out that it's
actually not an attack on EV itself, but rather a flaw in design in
the way browsers deploy SSL. Sotirov noted that "the main point of
our research is not that it is possible to capture everything
transmitted during an SSL session. It is that man-in-the-middle
attacks against EV SSL certificates are possible if the attacker
has a regular (non-EV) certificate for the same domain name."