[Servercert-wg] [EXTERNAL] Voting begins for Ballot SC45: Wildcard Domain Validation

[Mike Reilly (SECURITY)]

Microsoft votes "yes" on ballot SC45.  Thanks, Mike

From: Servercert-wg <servercert-wg-bounces at cabforum.org> On Behalf Of Ryan Sleevi via Servercert-wg
Sent: Thursday, May 27, 2021 12:02 PM
To: CA/B Forum Server Certificate WG Public Discussion List <servercert-wg at cabforum.org>
Subject: [EXTERNAL] [Servercert-wg] Voting begins for Ballot SC45: Wildcard Domain Validation

This email begins the voting period for Ballot SC45: Wildcard Domain Validation

Purpose of Ballot:

This Ballot addresses security issues with the use of methods 3.2.2.4.6, 3.2.2.4.18, and 3.2.2.4.19 of the Baseline Requirements to authenticate an entire domain namespace. These methods rely on an HTTP based demonstration of control, which only demonstrates control over a particular host and service, rather than the entire Domain Namespace.

Effective 2021-12-01, these methods MUST NOT be used to issue Wildcard Certificates and MUST NOT be used as Authorization Domain Names for subordinate FQDNs of the validated FQDN.

Although not directly modifying the same section, this Ballot does interact with Ballot SC42: 398-day Re-use Period, and so two versions are presented, based on whether or not SC42 finishes the IP review period without issues. If SC42 is adopted, 3.2.2.4.6 does not need to change, because no past validations can be reused to issue new certificates after the effective date. However, if SC42 were to fail, 3.2.2.4.6 is also modified to keep consistent with .18 and .19.

The following motion has been proposed by Ryan Sleevi of Google and endorsed by Jos Purvis of Cisco and Dimitris Zacharopoulos of HARICA.

It can be viewed on GitHub as https://github.com/cabforum/servercert/pull/269<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fcabforum%2Fservercert%2Fpull%2F269&data=04%7C01%7CMike.reilly%40microsoft.com%7C78a3152cf286483c466d08d92141e000%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637577389101791465%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=jZQE%2FY1QbSuuuhkQXHJzbsGhGPHU6L1AYSQwGgUFPZY%3D&reserved=0>

-- MOTION BEGINS --

This ballot modifies the "Baseline Requirements for the Issuance and Management of Publicly-Trusted Certificates" ("Baseline Requirements"), based on Version 1.7.4.

If SC42 finishes the IP Review period without issues and is adopted, MODIFY the Baseline Requirements as specified in the following Redline:

https://github.com/cabforum/servercert/compare/47248d77d371356780b08cfa971b26d88d704ca8..e244864fc86819ac43ef82a79c9c43b9366cf087<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fcabforum%2Fservercert%2Fcompare%2F47248d77d371356780b08cfa971b26d88d704ca8..e244864fc86819ac43ef82a79c9c43b9366cf087&data=04%7C01%7CMike.reilly%40microsoft.com%7C78a3152cf286483c466d08d92141e000%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637577389101791465%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MsJTrh9AnO2w6QT3e5H1sMpHMcFa8rx7iqVqALJtX7Y%3D&reserved=0>

If SC42 fails to finish the IP Review period without issues and is not adopted, MODIFY the Baseline Requirements as specified in the following Redline:

https://github.com/cabforum/servercert/compare/47248d77d371356780b08cfa971b26d88d704ca8..2ab50e3667c676d3591318474c3cbff99be8baf2<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fcabforum%2Fservercert%2Fcompare%2F47248d77d371356780b08cfa971b26d88d704ca8..2ab50e3667c676d3591318474c3cbff99be8baf2&data=04%7C01%7CMike.reilly%40microsoft.com%7C78a3152cf286483c466d08d92141e000%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637577389101801453%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=HoAsPPYsAsXULR3uBB%2Br%2FmRRMj6xBmDZenxrQL65GQY%3D&reserved=0>

-- MOTION ENDS --

This ballot proposes a Final Maintenance Guideline.

The procedure for approval of this ballot is as follows:

Discussion (7+ days)

Start Time: 2021-05-20 19:00:00 UTC
End Time: 2021-05-27 19:00:00 UTC

Vote for approval (7 days)

Start Time: 2021-05-27 19:00:00 UTC
End Time: 2021-06-03 19:00:00 UTC
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