The following errata report has been submitted for RFC8628,
"OAuth 2.0 Device Authorization Grant".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid5840

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Type: Technical
Reported by: Konstantin Lapine <konstantin.lap...@forgerock.com>

Section: 5.2

Original Text
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An attacker who guesses the device code would be able to potentially
   obtain the authorization code once the user completes the flow.

Corrected Text
--------------
An attacker who guesses the device code would be able to potentially
   obtain the access token once the user completes the flow.


Notes
-----
The "authorization code" term is associated with Authorization Code Grant 
(defined in RFC 6749) and has the meaning of a temporary credential used by an 
OAuth 2.0 client to obtain the access token. Section 5.2 of RFC 8628 seems to 
refer to the steps of the device authorization flow during which the device 
code and the client identifier are exchanged for the access token (and the 
optional refresh token). 

Alternative correction:

"An attacker who guesses the device code would be able to potentially obtain 
the access token and the optional refresh token once the user completes the 
flow."

Instructions:
-------------
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RFC8628 (draft-ietf-oauth-device-flow-15)
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Title               : OAuth 2.0 Device Authorization Grant
Publication Date    : August 2019
Author(s)           : W. Denniss, J. Bradley, M. Jones, H. Tschofenig
Category            : PROPOSED STANDARD
Source              : Web Authorization Protocol
Area                : Security
Stream              : IETF
Verifying Party     : IESG

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