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Aaron Parecki

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  • alianora https://cybre.space/@nightpool   •   May 2

    @aaronpk you linked to "Insufficient Redirect URI Validation" though? maybe i'm just confused about what you were talking about.

    Aaron Parecki
    Right, that's one way to steal data out of the redirect even if the browser is doing everything right.

    The attacker creates a redirect url at the hostname of the real app but uses an endpoint on the app that can then redirect to the attackers app. Chaining the redirects using an open redirector.
    San Jose, California • 49°F
    Thu, May 2, 2019 4:30pm -07:00
    1 reply
    • alianora cybre.space/@nightpool

      @aaronpk Yep, but in that case the attacker controls the redirect uri right? how can the attacker control the redirect uri without also controlling the pkce secret?

      Thu, May 2, 2019 11:33pm +00:00
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Hi, I'm Aaron Parecki, Director of Identity Standards at Okta, and co-founder of IndieWebCamp. I maintain oauth.net, write and consult about OAuth, and participate in the OAuth Working Group at the IETF. I also help people learn about video production and livestreaming. (detailed bio)

I've been tracking my location since 2008 and I wrote 100 songs in 100 days. I've spoken at conferences around the world about owning your data, OAuth, quantified self, and explained why R is a vowel. Read more.

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