Marco, this ballot is under discussion period not voting period. You don´t have to vote but discuss if needed
De: Servercert-wg <[email protected]> En nombre de Marco Schambach via Servercert-wg Enviado el: martes, 21 de mayo de 2024 23:13 Para: CA/B Forum Server Certificate WG Public Discussion List <[email protected]> Asunto: [Servercert-wg] Discussion Period Begins - Ballot SC-067 V3: "Require domain validation and CAA checks to be performed from multiple Network Perspectives" CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. IdenTrust votes Yes on ballot SC-067 V3 Marco S. TrustID Program Manager From: Servercert-wg <[email protected] <mailto:[email protected]> > On Behalf Of Chris Clements via Servercert-wg Sent: Monday, May 20, 2024 10:30 AM To: CA/B Forum Server Certificate WG Public Discussion List <[email protected] <mailto:[email protected]> > Subject: [External][Servercert-wg] Discussion Period Begins - Ballot SC-067 V3: "Require domain validation and CAA checks to be performed from multiple Network Perspectives" Purpose of Ballot SC-067 V3: This Ballot proposes updates to the Baseline Requirements for the Issuance and Management of Publicly-Trusted TLS Server Certificates (i.e., TLS BRs) related to Multi-Perspective Issuance Corroboration (MPIC). Background: - MPIC refers to performing domain validation and CAA checks from multiple Network Perspectives before certificate issuance, as described within the Ballot for the applicable validation methods in TLS BR Sections 3.2.2.4 and 3.2.2.5. - Not all methods described in TLS BR Sections 3.2.2.4 and 3.2.2.5 will require using MPIC. - This work was most recently motivated by research presented at Face-to-Face 58 [1] by Princeton University, but has been discussed for years prior as well. - The goal of this proposal is to make it more difficult for adversaries to successfully launch equally-specific prefix attacks against the domain validation processes described in the TLS BRs. - Additional background information can be found in an update shared at Face-to-Face 60 [2]. Benefits of Adoption: - Recent publicly-documented attacks have used BGP hijacks to fool domain control validation and obtain malicious certificates, which led to the impersonation of HTTPS websites [3][4]. - Routing security defenses (e.g., RPKI) can mitigate the risk of global BGP attacks, but localized, equally-specific BGP attacks still pose a significant threat to the Web PKI [5][6]. - Corroborating domain control validation checks from multiple network perspectives (i.e., MPIC) spread across the Internet substantially reduces the threat posed by equally-specific BGP attacks, ensuring the integrity of domain validation and issuance decisions [5][7][8]. - Existing deployments of MPIC at the scale of millions of certificates a day demonstrate the feasibility of this technique at Internet scale [7][9]. Intellectual Property (IP) Disclosure: - While not a Server Certificate Working Group Member, researchers from Princeton University presented at Face-to-Face 58, provided academic expertise, and highlighted publicly-available peer-reviewed research to support Members in drafting this ballot. - The Princeton University researchers indicate that they have not filed for any patents relating to their MPIC work and do not plan to do so in the future. - Princeton University has indicated that it is unable to agree to the CA/Browser Forum IPR agreement because it could encumber inventions invented by researchers not involved in the development of MPIC or with the CA/B Forum. - Princeton University has instead provided the attached IPR statement. Pursuant to the IPR statement, Princeton University has granted a worldwide royalty free license to the intellectual property in MPIC developed by the researchers and has made representations regarding its lack of knowledge of any other Princeton intellectual property needed to implement MPIC. - The attached IPR statement has not changed since disclosed in Discussion Round 1. - For clarity, Princeton Universitys IPR statement is NOT intended to replace the Forums IPR agreement or allow Princeton to participate in the Forum in any capacity. - Members seeking legal advice regarding this ballot should consult their own counsel. Proposal Revision History: - Pre-Ballot Release #1 (work team artifacts and broader Validation Subcommittee collaboration) [10] - Pre-Ballot Release #2 [11] Previous versions of this Ballot: - Ballot Release #1 [12] (comparing Version 2 to Version 1) [13]. Note, some of the changes represented in the comparison are updates made by other ballots that have since passed (e.g., SC-069). - Ballot Release #2 [14] (comparing Version 3 to Version 2) [15]. Note, some of the changes represented in the comparison are updates made by other ballots that have since passed (e.g., SC-072). References: [1] <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcabforum. org%2Fwp-content%2Fuploads%2F13-CAB-Forum-face-to-face-multiple-vantage-poin ts.pdf&data=05%7C02%7Cinigo.barreira%40sectigo.com%7C367e8265f0254c8401f308d c79dad719%7C0e9c48946caa465d96604b6968b49fb7%7C0%7C0%7C638519228620199606%7C Unknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLC JXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=A4uivnpVwNcQSyfQ%2B6VOYRMzOmVXmlsdfjz6Vzt2oK I%3D&reserved=0> https://cabforum.org/wp-content/uploads/13-CAB-Forum-face-to-face-multiple-v antage-points.pdf [2] <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdrive.goo gle.com%2Ffile%2Fd%2F1LTwtAwHXcSaPVSsqKQztNJrV2ozHJ7ZL%2Fview%3Fusp%3Ddrive_ link&data=05%7C02%7Cinigo.barreira%40sectigo.com%7C367e8265f0254c8401f308dc7 9dad719%7C0e9c48946caa465d96604b6968b49fb7%7C0%7C0%7C638519228620211596%7CUn known%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJX 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BGP-Hijacking-wp.pdf&data=05%7C02%7Cinigo.barreira%40sectigo.com%7C367e8265f 0254c8401f308dc79dad719%7C0e9c48946caa465d96604b6968b49fb7%7C0%7C0%7C6385192 28620240129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJB TiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=ziAWyclf%2Fb2xv5axQFbVKlbR236Q Bmvi0rBk7fXkBVk%3D&reserved=0> https://www.blackhat.com/docs/us-15/materials/us-15-Gavrichenkov-Breaking-HT TPS-With-BGP-Hijacking-wp.pdf [7] <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.useni x.org%2Fconference%2Fusenixsecurity21%2Fpresentation%2Fbirge-lee&data=05%7C0 2%7Cinigo.barreira%40sectigo.com%7C367e8265f0254c8401f308dc79dad719%7C0e9c48 946caa465d96604b6968b49fb7%7C0%7C0%7C638519228620246523%7CUnknown%7CTWFpbGZs b3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7 C%7C%7C&sdata=2k84jjkwrjnN9oLoqySChq%2FhXA8h2RCyHBms87MOGs8%3D&reserved=0> https://www.usenix.org/conference/usenixsecurity21/presentation/birge-lee [8] <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.useni x.org%2Fconference%2Fusenixsecurity18%2Fpresentation%2Fbirge-lee&data=05%7C0 2%7Cinigo.barreira%40sectigo.com%7C367e8265f0254c8401f308dc79dad719%7C0e9c48 946caa465d96604b6968b49fb7%7C0%7C0%7C638519228620252380%7CUnknown%7CTWFpbGZs b3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7 C%7C%7C&sdata=vwM85EwMslTSEz00%2B3o424y%2Fb1fnvG3M6jOtdrGPKUg%3D&reserved=0> https://www.usenix.org/conference/usenixsecurity18/presentation/birge-lee [9] <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsecurity. googleblog.com%2F2023%2F05%2Fgoogle-trust-services-acme-api_0503894189.html& data=05%7C02%7Cinigo.barreira%40sectigo.com%7C367e8265f0254c8401f308dc79dad7 19%7C0e9c48946caa465d96604b6968b49fb7%7C0%7C0%7C638519228620258187%7CUnknown %7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6M 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go.com%7C367e8265f0254c8401f308dc79dad719%7C0e9c48946caa465d96604b6968b49fb7 %7C0%7C0%7C638519228620288032%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLC JQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=2RUGT8GOVv1f %2BYlrT3WGmT7SG05rjRfRjk8J2cd%2BERI%3D&reserved=0> https://github.com/cabforum/servercert/pull/507 [15] https://github.com/cabforum/servercert/compare/5224983ef0a6f94c18808ea3469e7 a5ae35746e5..2dcf1a8fe5fc7b6a864b5767ab1db718bc447463 The following motion has been proposed by Chris Clements and Ryan Dickson of Google (Chrome Root Program) and endorsed by Aaron Gable (ISRG / Lets Encrypt) and Wayne Thayer (Fastly). Motion Begins This ballot modifies the Baseline Requirements for the Issuance and Management of Publicly-Trusted TLS Server Certificates (Baseline Requirements), based on Version 2.0.4. MODIFY the Baseline Requirements as specified in the following Redline: <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.co m%2Fcabforum%2Fservercert%2Fcompare%2Fc4a34fe2292022e0a04ba66b5a85df75907ac2 a2..2dcf1a8fe5fc7b6a864b5767ab1db718bc447463&data=05%7C02%7Cinigo.barreira%4 0sectigo.com%7C367e8265f0254c8401f308dc79dad719%7C0e9c48946caa465d96604b6968 b49fb7%7C0%7C0%7C638519228620313030%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAw MDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=1WerOy EKicN10ROMFGw2f0S6QQ8y42RAbs8eQh66Qow%3D&reserved=0> https://github.com/cabforum/servercert/compare/c4a34fe2292022e0a04ba66b5a85d f75907ac2a2..2dcf1a8fe5fc7b6a864b5767ab1db718bc447463 Motion Ends This ballot proposes a Final Maintenance Guideline. The procedure for approval of this ballot is as follows: Discussion (at least 11 days) - Start: 2024-05-20 14:30:00 UTC - End no earlier than: 2024-05-31 14:30:00 UTC Vote for approval (7 days) - Start: TBD - End: TBD
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