On Tue, Jan 24, 2017 at 10:48 AM, Gervase Markham <[email protected]> wrote:

> On 24/01/17 14:11, [email protected] wrote:
> > I was searching on crt.sh and I found something confusing by accident.
> > View this page : https://crt.sh/?Identity=%25&iCAID=7198
> > I can see many SHA-1 certificates issued in 2016 and one is issued in
> 2017.
>
> Your list is a list of certificates issued by "C=US, O=Symantec
> Corporation, CN=Symantec Private SSL SHA1 CA". If you view the page
> about that CA, you will see that it is not trusted by Mozilla:
> https://crt.sh/?caid=7198
>
> That's because it chains up to the following two roots:
>
> 1) OU=Class 3 Public Primary Certification Authority
> https://crt.sh/?caid=25
>
> 2) OU=Class 3 Public Primary Certification Authority - G2
> https://crt.sh/?caid=963
>
> This helpful spreadsheet shows that they were removed in Firefox 47 and
> 51 respectively:
> https://mozillacaprogram.secure.force.com/CA/RemovedCACertificateReport
> Although Firefox 51 was only released yesterday, so that's a bit
> concerning.
>

Indeed, if they issued these before yesterday, this seems like a problem.



>
> Rob: is the "Trusted by Mozilla" stuff based on the root store on
> Mozilla's master branch?
>
> Symantec representatives: was this "Private" SHA-1-issuing CA supposed
> to chain up to roots trusted by Mozilla until very recently?
>
> > I think it was banned before so someone could tell me why they can issue
> these SHA-1 certificates?
> > SHA-1 certificate issued in 2017 : https://crt.sh/?id=71625342
>
> What makes you think that certificate was issued in 2017?
>
>         Validity
>             Not Before: Jul  7 00:00:00 2016 GMT
>             Not After : Dec 31 23:59:59 2017 GMT
>
> However, I do see this one issued in 2017:
> https://crt.sh/?id=77777847
>
> Symantec reps? Is the idea that this is OK because no browser trusts
> this part of your PKI any more?
>

Except of course the non-zero slice of users that haven't updated yet.

--Richard


>
> Gerv
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