BR 3.2.2.4 states “This section defines the permitted processes and procedures 
for validating the Applicant's ownership or control of the domain.”

Confirming ownership is BR compliant.

I always thought that ownership should be preferred. An attacker can have 
control, but they won’t have ownership.

Bruce.

From: Ryan Sleevi [mailto:[email protected]]
Sent: January 19, 2018 2:26 PM
To: Mads Egil Henriksveen <[email protected]>; CA/Browser Forum 
Public Discussion List <[email protected]>
Cc: Tim Hollebeek <[email protected]>; Bruce Morton 
<[email protected]>; Jeremy Rowley <[email protected]>
Subject: Re: [cabfpub] [EXTERNAL] Verification of Domain Contact and Domain 
Authorization Document



On Fri, Jan 19, 2018 at 1:51 AM, Mads Egil Henriksveen via Public 
<[email protected]<mailto:[email protected]>> wrote:
Hi

Buypass, Entrust Datacard and GlobalSign have been working on some text to 
strengthen 3.2.2.4.1 instead of removing it - find the draft text below. The 
draft was discussed in the Validation Working Group meeting yesterday. We would 
like to offer this as an amendment to Ballot 218.

We (and some other CAs as well) are concerned about the short transition period 
in Ballot 218. In order to change systems, validation procedures etc. we 
believe any transition period should be at least 10 weeks (as long as the 
security risk exposed is low).

Regards
Mads



3.2.2.4.1 Validating the Applicant as a Domain Name Registrant
Conforming the Applicant's control over the FQDN by validating the Applicant as 
the Domain Name Registrant by verifying that:

1.       The name of the Domain Name Registrant matches the Applicant’s name AND

2.       Additional information about the Domain Name Registrant in the WHOIS 
meet the following requirements:

                               i.            The Registrant’s postal address in 
the WHOIS belongs to the Applicant. CAs MUST verify this by matching it with 
one of the Applicant's addresses in: (a) a QGIS, QTIS, or QIIS; or (b) a 
Verified Professional Letter.
Note: Address details in the WHOIS are required to use this option. Address 
details must include at a minimum the Country and either Locality, State or 
Province. OR

                             ii.            The WHOIS contains the Registration 
(or similar) Number assigned to the Applicant by the Incorporating or 
Registration Agency in its Jurisdiction of Incorporation or Registration as 
appropriate. CAs MUST verify this by matching the Registration Number in the 
WHOIS with the Applicant’s Registration Number in a QGIS or a QTIS.
Additionally, this method may only be used if:
1. The CA authenticates the Applicant's identity under BR Section 3.2.2.1 and 
the authority of the Applicant Representative under BR Section 3.2.5, OR
2. The CA authenticates the Applicant's identity under EV Guidelines Section 
11.2 and the agency of the Certificate Approver under EV Guidelines Section 
11.8; OR
3. The CA is also the Domain Name Registrar, or an Affiliate of the Registrar, 
of the Base Domain Name.

Note: Once the FQDN has been validated using this method, the CA MAY also issue 
Certificates for other FQDNs that end with all the labels of the validated 
FQDN. This method is suitable for validating Wildcard Domain Names.

This revised version of BR 3.2.2.4.1 shall apply to domain validations 
occurring on or after June 1, 2018.

As Geoff has noted, this substantially weakens the requirements, to a level 
unacceptable and non-equivalent to the existing methods. It also apparently 
fails to understand both the underlying risks and concerns.

While I appreciate Buypass, Entrust, and GlobalSign working on such text, I'll 
note that it lacks the necessary assurances, and also lacks the necessary 
information to mitigate the risk for site operators.

Such certificates issued under these conditions should not be considered 
trustworthy, as they do not provide assurance for domain control.

_______________________________________________
Public mailing list
[email protected]
https://cabforum.org/mailman/listinfo/public

Reply via email to