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Re: Comments/Questions on Media Capture Streams – Privacy and Security Considerations

From: Joseph Lorenzo Hall <joe@cdt.org>
Date: Tue, 27 Oct 2015 16:40:31 -0400
Message-ID: <CABtrr-VpDtkfyQ-nZH9Pbq-tCCFXJPvNNV+Brz85wNzKGEJ1kw@mail.gmail.com>
To: Nick Doty <npdoty@w3.org>
Cc: Harald Alvestrand <harald@alvestrand.no>, public-media-capture@w3.org, "public-privacy (W3C mailing list)" <public-privacy@w3.org>
On Fri, Oct 23, 2015 at 8:07 PM, Nick Doty <npdoty@w3.org> wrote:

>
> "when the page is secure"
>
>
> "secure" is a word that often gets defined in different ways. Would it be
> more precise to refer to "privileged contexts"?
> http://www.w3.org/TR/powerful-features/#settings-privileged
>
> Not persisting permissions in such settings is a good base-line
> requirement. Section 10.6 states that persistent permissions must be be
> served over HTTPS and have no mixed content. It would be nice to see the
> definition of mixed content expanded to include the various issues
> mentioned in Bonneau's recent paper[1]. For example, if a site elects to
> use pinning, it should be considered to have mixed content if it loads
> non-pinned content.
>
> [1] http://www.jbonneau.com/doc/KB15-NDSS-hsts_pinning_survey.pdf
>
> [Note: This last point is perhaps also relevant to
> http://www.w3.org/TR/mixed-content/]
>
>
> We refer to https://www.w3.org/TR/mixed-content/ - we do not want to
> redefine the concept in this document, believing that this would only cause
> confusion for implementors.
> If mixed-content needs updating, then that is the proper place to fix the
> issue.
>
>
> Joe and Greg, I believe you had identified this particular concern and
> connection to the Bonneau paper. Can we check whether the problem needs to
> be addressed in the Mixed Content, this spec, both or neither?
>
>
I think this is more a Mixed Content 2.0 issue (as in a future update to
Mixed Content that would try to get more granular about security states and
transitions between them.)

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Joseph Lorenzo Hall
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Received on Tuesday, 27 October 2015 20:41:23 UTC

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