[cabfpub] Misissuance of certificates

Stephen Davidson S.Davidson at quovadisglobal.com
Tue Nov 17 14:24:24 UTC 2015


If I recall correctly, SET certs have the form:

        Subject: C=GB, ST=AS_APPROPRIATE, L= AS_APPROPRIATE, O=COMPANY NAME,
CN=000000000000.to.COMPANYDOMAIN.co.uk/emailAddress=NAME@
COMPANYDOMAIN.co.uk

While they may use EV-style vetting, the certs are not EV.

Best, Stephen



-----Original Message-----
From: public-bounces at cabforum.org [mailto:public-bounces at cabforum.org] On
Behalf Of Gervase Markham
Sent: Tuesday, November 17, 2015 9:43 AM
To: Dean Coclin; Sigbjørn Vik; public at cabforum.org
Subject: Re: [cabfpub] Misissuance of certificates

On 12/11/15 22:45, Dean Coclin wrote:
> Here is the example mentioned on the call today which Gerv wanted to 
> hear more about:
> 
> https://www.gov.uk/government/uploads/system/uploads/attachment_data/f
> ile/368362/set-installation.pdf

There's something a bit odd going on here. Page 6 of that document says that
the following should be in the CSR:

Common name: <Organisation><SRN>LIVE<DDMMYY>

That doesn't look like a valid DNS name to me. If the CA concerned is doing
EV validation, how are they proving that the customer owns a public DNS
domain of the form:

FooCorp12345643543LIVE121115

? Is any CA on the list part of this program, and so can comment?

Is it also the case that they are using EV certificates for non-SSL
purposes?

Gerv
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