If this is the case, then I have to say that this entire discussion is
outside the realm of this list and should instead be moved to the
security list.

-Kyle H

On Thu, Aug 21, 2008 at 9:32 PM, Nelson B Bolyard <[EMAIL PROTECTED]> wrote:
> Kyle Hamilton wrote, On 2008-08-21 14:31:
>> On Thu, Aug 21, 2008 at 10:24 AM, Nelson B Bolyard <[EMAIL PROTECTED]> wrote:
>>> I was informed privately that it means that Firefox shows EV chrome
>>> indicators, even for pages that contain some DV content.
>>
>> Er, if this didn't happen, PayPal wouldn't be able to show chrome
>> indicators.  Among other things, they use Google Analytics.  I think
>> it would be a perfectly valid thing to refuse to form-submit to a
>> location that isn't under the same EV Subject as the originating form,
>> but if you strip the chrome from things that have some non-EV services
>> you're going to break things.
>
> It's not uncommon for Mozilla to change things to fix security
> vulnerabilities, and then discover that there were sites that depended
> on those vulnerabilities (often unwittingly).  It's not tragic.
>
> I wouldn't lose any sleep if Google Analytics had to get an EV cert.
> Same for all those companies whose business is to track everything I do.
> They can afford it. :)
>
>>>>> And further vulnerabilities of this sort would reopen the same hole.
>>>>>
>>>>> In other words, the security of EV currently depends on the security of
>>>>> the DNS. This is bad.
>
>>> I agree that DV content in EV pages is just as dubious as any other DV
>>> content.  I would favor that EV pages must have all EV content to show EV
>>> chrome, just as SSL pages must have all SSL content to show (normal) SSL
>>> chrome.
>>
>> Even in the case where you require all-EV content, if you try to
>> perform any additional matching of the Subject (which is what needs to
>> be matched anyway) you're going to break third-party data feeds and
>> services.
>
> Yeah, it's just not clear to me what legitimate role third party feeds
> have in an EV web page.  In an http page, sure.  In an EV https page?
> When the site is trying to say "You can be really sure you're dealing
> with me here", what role do third parties have in that?  I don't think
> the EV message should be "You can be sure you're dealing with me on this
> page, except for that part down there, and that corner up there, where I
> let others have their way with your browser."
>
>> For example, in the aforementioned case, even if Google were EV'd, what
>> would the chrome look like?  Whose name would be on it?
>
> Good questions.  You can be sure that the answers won't come from any
> of the NSS or PSM folks.  All that UI is done in much higher levels of
> the browser.
>
> And if that level of paranoia exists,
>
> I don't think it's paranoia.  Not after reading
> http://crypto.stanford.edu/websec/origins/fgo.pdf
>
>> why isn't there a preference to disable non-EV content and/or EV content
>> where the Subject on the cert doesn't match the initial request to the EV
>> site?
>
> That's another good question for Firefox's UI royalty.  That's all outside
> of NSS and PSM.  PSM presents the information about "channels" to the
> higher levels of Firefox, which then make decisions based on it, and/or
> present that info to the user.  The folks responsible for that code are
> rarely (if ever) seen in this list/group.
>
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