[keycloak-user] subflow issue on reset credentials

[Max Allan]

Hi Arnault,

I think with no "alternative" to alternate to or a "required" flow at the
top level, you will not "require" anything other than choosing your user to
gain a session. (You can use "choose a user" in a flow as a way to login
without a password. So at that point in the process the user is logged in,
with a login cookie.)

I suppose you could consider it like this : you haven't completed all the
required steps so the alternative flow hasn't completed yet, so you
shouldn't be logged in. Maybe...

I don't think this is a bug. But it does do the same for me.
This makes me think : If you capture the cookie when using the normal reset
process and replay a session with it and gain access to someone else's
account, that would be a security bug. I might dig into that later if I
have time/energy!

Why would you want all the steps to be an "alternative" to reset
credentials?

You don't even need to try it twice, just enter your email/username and
press submit when you see the "mail sent" message, click back. You're in.

Max

On Tue, 8 Oct 2019 at 16:54, <keycloak-user-request at lists.jboss.org> wrote:

>
> From: Arnault BESNARD <Arnault.BESNARD at b-com.com>
> To: "keycloak-user at lists.jboss.org" <keycloak-user at lists.jboss.org>
> Cc:
> Bcc:
> Date: Tue, 8 Oct 2019 15:41:49 +0000
> Subject: [keycloak-user] subflow issue on reset credentials
> Hi all,
>
>
> I got a very strange Keycloak behaviour on reset credentials.
>
>
>
> I set my reset credentials flow as follows:
>
> * I created a flow called "subflow" and set it as alternative
>
>         Inside my subflow I created 3 execution providers:
>
>             * choose user (required)
>
>             * send Reset Email (required)
>
>             * Reset Password (required)
>
>
> The authentication flow is the default "browser" flow.
>
>
> Now, I tried the following scenario:
>
> * On the login page, click on "forgot password"
>
> * Enter a valid email
>
> * A message told you that you should receive an email soon.
>
> * Click again on "forgot password"
>
> * Now, enter any valid user's email belonging to the realm
>
> * Again, a message told you that you should receive an email soon.
>
> * Now click on the browser back button.
>
> * You are connected  with the credential belonging to the user's email !
>
>
> If you create your reset credentials without subform, this scenario
> doesn't allow you to connect without the email link.
>
>
> Before opening a bug case, can someone confirm he has the same behaviour ?
>
>
> Thanks in advance,
>
>
> Arnault
>
>
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> keycloak-user at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/keycloak-user



-- 

Max Allan
phone   +448454681066
email   max.allan at surevine.com
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