Re: [OAUTH-WG] Redirect URIs in draft-ietf-oauth-security-topics

Daniel Fett <fett@danielfett.de> Tue, 12 May 2020 09:28 UTC

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From: Daniel Fett <fett@danielfett.de>
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Subject: Re: [OAUTH-WG] Redirect URIs in draft-ietf-oauth-security-topics
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Indeed, we shall fix that.

Am 11.05.20 um 20:43 schrieb Brian Campbell:
> I suspect it was an unintentional oversight in the Security BCP and
> that it should be updated to allow for it.
>
> On Mon, May 11, 2020 at 10:03 AM Aaron Parecki <aaron@parecki.com
> <mailto:aaron@parecki.com>> wrote:
>
>     The Security BCP has pretty clear language around requiring exact
>     matching of redirect URIs now. 
>
>     https://tools.ietf.org/html/draft-ietf-oauth-security-topics-15#section-2..1
>     <https://tools.ietf.org/html/draft-ietf-oauth-security-topics-15#section-2.1>
>
>     However the Native Apps BCP has an exception for localhost URIs to
>     allow variable ports. 
>
>     https://tools.ietf.org/html/rfc8252#section-7.3
>
>     Is the intention of the Security BCP to also prevent that use case?
>
>     If so, it should probably be spelled out explicitly, since there
>     is currently no mention of this. If not, then that exception
>     should also be repeated in the Security BCP, since it is currently
>     somewhat ambiguous whether the exception in the Native Apps BCP is
>     still allowed.
>
>     Aaron Parecki
>
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