Re: [OAUTH-WG] I-D Action: draft-ietf-oauth-security-topics-17.txt

Hi all,

this version most importantly updates the recommendations for Mix-Up
mitigation, building upon
https://tools.ietf.org/html/draft-ietf-oauth-iss-auth-resp-00. The
description of Mix-Up attacks has also been improved.

Smaller changes:

   * Make the use of metadata RECOMMENDED for both servers and clients
   * Make announcing PKCE support in metadata the RECOMMENDED way
(before: either metadata or deployment-specific way)
   * AS also MUST NOT expose open redirectors.
   * Mention that attackers can collaborate.
   * Make HTTPS mandatory for most redirect URIs.

I'll present more details in the interim meeting next monday.

As always, your feedback is appreciated. We hope that we can proceed to
a WGLC for this document soon.

-Daniel

Am 06.04.21 um 15:06 schrieb internet-drafts@ietf.org:
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Web Authorization Protocol WG of the IETF.
>
>         Title           : OAuth 2.0 Security Best Current Practice
>         Authors         : Torsten Lodderstedt
>                           John Bradley
>                           Andrey Labunets
>                           Daniel Fett
> 	Filename        : draft-ietf-oauth-security-topics-17.txt
> 	Pages           : 52
> 	Date            : 2021-04-06
>
> Abstract:
>    This document describes best current security practice for OAuth 2.0.
>    It updates and extends the OAuth 2.0 Security Threat Model to
>    incorporate practical experiences gathered since OAuth 2.0 was
>    published and covers new threats relevant due to the broader
>    application of OAuth 2.0.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-oauth-security-topics/
>
> There is also an HTML version available at:
> https://www.ietf.org/archive/id/draft-ietf-oauth-security-topics-17.html
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-oauth-security-topics-17
>
>
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
>
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