IETF Logo Mail Archive

Re: [OAUTH-WG] Benjamin Kaduk's Discuss on draft-ietf-oauth-jwt-introspection-response-08: (with DISCUSS and COMMENT)

Torsten Lodderstedt <torsten@lodderstedt.net> Mon, 02 March 2020 16:55 UTC

Return-Path: <torsten@lodderstedt.net>
X-Original-To: oauth@ietfa.amsl.com
Delivered-To: oauth@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AF9353A0B8A for <oauth@ietfa.amsl.com>; Mon, 2 Mar 2020 08:55:39 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.099
X-Spam-Level:
X-Spam-Status: No, score=-2.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=lodderstedt.net
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mt2cRBJafF0g for <oauth@ietfa.amsl.com>; Mon, 2 Mar 2020 08:55:38 -0800 (PST)
Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F2BC83A0B7C for <oauth@ietf.org>; Mon, 2 Mar 2020 08:55:37 -0800 (PST)
Received: by mail-wm1-x335.google.com with SMTP id u9so27555wml.3 for <oauth@ietf.org>; Mon, 02 Mar 2020 08:55:37 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lodderstedt.net; s=google; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=4xQve0AAsVt8Gl6TrmruCujVWAm9kOtvfXjMx+Vr+qA=; b=naj/0jRe1j3Cm80vE8+de3nSRG222Xd2aHJ8IBwot8rU0TY0LYqwJMx+4118C08wjX wnlOXhNacE90uPjjSN3/JMloJXxHQg7Uc2+yPQfmDm3ooIP6kJkZCWIl52e8NT16eaST zqMhjmyIzf73mTUn5WzKerZRmJ9rdyW9T5ivB/YWjowiAUb0m789vobBPTMWdaiH+74a olaCl6NXpRe91URKuIe4Sey4dDGxee3xAcpBPpzakPl8C6a0e0RTyE7y12YGWLP+HBb8 U7s2CriZuHcXbndl87JDGdZoI3cuKDV+IBdH0yfehD0M2YlxGdlX2lXJ+AhqHR38m7pH /3Eg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=4xQve0AAsVt8Gl6TrmruCujVWAm9kOtvfXjMx+Vr+qA=; b=X7TDmX6wqaTRIZ5yxwURXMPTSUowL4HwBeTlEkGtH5ydmCv+9Ic0Bmcaup86ak+E44 gL3DznTalEZDGpSzNwOz22WsidwoIY4UuRHu3sPd+xSQ91Qkb4s0pGu+vfyoC/PcST5R enxfYuDsi5xnskBJ48UI+5DLCTbQRzI8xLICPi1H4E3kMXWDoDsV10ynNRRJn4y2Z84b J0ZLHHawylJqq+EJGRhV9zdfVh9e/+hX25r/FTTt4y+J7ITfSbB2EK2cy9QDC5TYZVpD 1FiEsgLoYZhu/gSeG67TTLGHVmt88CyOr8euknfgxCA+bnTZA6f61i5fMz7BKZi69JrB kgcQ==
X-Gm-Message-State: ANhLgQ3d5LXkqgI/trdw6TtWxHuoOqDzNzNK/zx8Bpn3yagBWvuHhfPk m+hj+UHbzQOOiKbpVGjD4GNiFA==
X-Google-Smtp-Source: ADFU+vvnQbwL1i4Ejb6/yQxtHXYI3Rh+VuAJIo2u5SAx1ObXz4tMNoG/2pZ1QLc84A8iALNd4P3Yjg==
X-Received: by 2002:a1c:750e:: with SMTP id o14mr39950wmc.156.1583168134961; Mon, 02 Mar 2020 08:55:34 -0800 (PST)
Received: from [10.206.195.216] (tmo-111-92.customers.d1-online.com. [80.187.111.92]) by smtp.gmail.com with ESMTPSA id e16sm31086226wrc.48.2020.03.02.08.55.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Mar 2020 08:55:34 -0800 (PST)
Content-Type: multipart/signed; boundary="Apple-Mail-AA8AA896-3226-4B8C-A089-61279596DE6B"; protocol="application/pkcs7-signature"; micalg="sha-256"
Content-Transfer-Encoding: 7bit
From: Torsten Lodderstedt <torsten@lodderstedt.net>
Mime-Version: 1.0 (1.0)
Date: Mon, 02 Mar 2020 17:55:32 +0100
Message-Id: <C4026CD1-0D38-42D1-9F9E-E336FF8C1EF9@lodderstedt.net>
References: <CAHdPCmOk407OUTbR9nU2XTOZdy8ZZoXXXE-3gw+CDamaAtzPPQ@mail.gmail.com>
Cc: Torsten Lodderstedt <torsten=40lodderstedt.net@dmarc.ietf.org>, Benjamin Kaduk <kaduk@mit.edu>, oauth-chairs@ietf.org, The IESG <iesg@ietf.org>, oauth <oauth@ietf.org>, draft-ietf-oauth-jwt-introspection-response@ietf.org
In-Reply-To: <CAHdPCmOk407OUTbR9nU2XTOZdy8ZZoXXXE-3gw+CDamaAtzPPQ@mail.gmail.com>
To: Takahiko Kawasaki <taka@authlete.com>
X-Mailer: iPhone Mail (17D50)
Archived-At: <https://mailarchive.ietf.org/arch/msg/oauth/ldSwqZ0-1LZEZiq9tTo844a5F6E>
Subject: Re: [OAUTH-WG] Benjamin Kaduk's Discuss on draft-ietf-oauth-jwt-introspection-response-08: (with DISCUSS and COMMENT)
X-BeenThere: oauth@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: OAUTH WG <oauth.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/oauth>, <mailto:oauth-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/oauth/>
List-Post: <mailto:oauth@ietf.org>
List-Help: <mailto:oauth-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/oauth>, <mailto:oauth-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 02 Mar 2020 16:55:40 -0000


> Am 02.03.2020 um 17:52 schrieb Takahiko Kawasaki <taka@authlete.com>:
> 
> The requirement for "jti" described
> in draft-ietf-oauth-jwt-introspection-response-08 is problematic.

I think having different jti values for different requests is a security risk.

v2.31.3 | Report a Bug | By Email | System Status