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Date: Thu, 22 Feb 2018 16:46:55 +0000
From: Justin Bull <me@...tinbull.ca>
To: oss-security@...ts.openwall.com, bugtraq@...urityfocus.com, 
	fulldisclosure@...lists.org
Subject: Re: [CVE-2018-1000088] Stored XSS vulnerability in Doorkeeper gem
 v2.1.0 - v4.2.5

On Wed, Feb 21, 2018 at 5:17 PM Justin Bull <me@...tinbull.ca> wrote:

>
> Solution:
> ---------
> Upgrade to Doorkeeper v4.2.6 or later
>
>
Apologies. This fails to account for a non-trivial scenario.

Any software using Doorkeeper that has generated its own custom views[0]
requires manual work to verify there's no explicit HTML in the
`client_name` and `native_redirect_uri` field values.

This has been updated in the bulletin's Fix section[1].

[0]: https://github.com/doorkeeper-gem/doorkeeper/wiki/Customizing-views
[1]:
https://blog.justinbull.ca/cve-2018-1000088-stored-xss-in-doorkeeper/#fix
-- 
Justin Bull
PGP Fingerprint: E09D 38DE 8FB7 5745 2044 A0F4 1A2B DEAA 68FD B34C

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