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James Kass jameskass at code2001.com
Thu May 20 17:49:10 CDT 2021



On 2021-05-20 2:34 PM, Steffen Nurpmeso via Unicode wrote:
> The explanation that seems to have been given by
> administrators in response to a long-term Unicode worker was
> ridiculous.

https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics

<quote>
4.1.3.  Countermeasures

    The complexity of implementing and managing pattern matching
    correctly obviously causes security issues.  This document therefore
    advises to simplify the required logic and configuration by using
    exact redirect URI matching.  This means the authorization server
    MUST compare the two URIs using simple string comparison as defined
    in [RFC3986], Section 6.2.1.
<end quote>

I'm no expert on OAuth, but it appears that current recommendations 
require an exact match for domain names.  Wildcard or partial domain 
name strings leave openings for attackers to exploit.

Aside from the injection of "conspiracy", the response given seems accurate.




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