Re: [hybi] Handshake was: The WebSocket protocol issues.
Bjoern Hoehrmann <derhoermi@gmx.net> Mon, 11 October 2010 17:18 UTC
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From: Bjoern Hoehrmann <derhoermi@gmx.net>
To: Scott Ferguson <ferg@caucho.com>
Date: Mon, 11 Oct 2010 19:20:02 +0200
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References: <AANLkTi=B1rGBgi4jYZ_TqX9Qt1xtXoyneZtztnLOkW6b@mail.gmail.com> <4CAFBD75.4020004@caucho.com> <r7gva6tv01olonop6co9ftn63dlqmhnts3@hive.bjoern.hoehrmann.de> <4CB0915A.1030400@caucho.com> <at41b6tsldo70ddhkokv8laoie5m99p35s@hive.bjoern.hoehrmann.de> <4CB0A27D.9000307@caucho.com> <m2c1b6dkeesdbh66no4hdfn86mhkq1mfiv@hive.bjoern.hoehrmann.de> <4CB10E6D.8000706@caucho.com> <6o32b65n4kjrueo7e5fb1n9n3m2g7lfg5r@hive.bjoern.hoehrmann.de> <4CB341CC.90300@caucho.com>
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Cc: hybi <hybi@ietf.org>
Subject: Re: [hybi] Handshake was: The WebSocket protocol issues.
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* Scott Ferguson wrote: >The target is pre-compromised because it has an open DELETE (point #6) >and the target is pre-compromised because it's on the same machine as >the attacker (point #1). You are misunderstanding the example trace I gave. The DELETE is sent to the attacker, not the target. The server 1.2.3.4 needs to think that the client is still talking HTTP, and if the first thing it sees is "ħ<" or something like that, it might respond with an error message and close the connection. "DELETE..." in US-ASCII looks like a Websocket text frame and like HTTP, so I am using that as an example. If the attacker manages to create the initial frames such that the web server keeps the connection open, then he can send pretty much arbitrary HTTP requests to the target server. -- Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de Am Badedeich 7 · Telefon: +49(0)160/4415681 · http://www.bjoernsworld.de 25899 Dagebüll · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/
- [hybi] Handshake was: The WebSocket protocol issu… Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Gabriel Montenegro
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Simone Bordet
- Re: [hybi] Handshake was: The WebSocket protocol … Alexander Voronin
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Simone Bordet
- Re: [hybi] Handshake was: The WebSocket protocol … Alexander Voronin
- Re: [hybi] Handshake was: The WebSocket protocol … James Graham
- Re: [hybi] Handshake was: The WebSocket protocol … Alexander Voronin
- Re: [hybi] Handshake was: The WebSocket protocol … John Tamplin
- Re: [hybi] Handshake was: The WebSocket protocol … Alexander Voronin
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Alexander Voronin
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Alexander Voronin
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Ian Hickson
- Re: [hybi] Handshake was: The WebSocket protocol … Mike Belshe
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Alexander Voronin
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Ian Hickson
- Re: [hybi] Handshake was: The WebSocket protocol … Patrick McManus
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Simon Pieters
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Simone Bordet
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Roderick Baier
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Simone Bordet
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Patrick McManus
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Eric Rescorla
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Eric Rescorla
- Re: [hybi] Handshake was: The WebSocket protocol … Eric Rescorla
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Eric Rescorla
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … James Graham
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Greg Wilkins
- Re: [hybi] Handshake was: The WebSocket protocol … Eric Rescorla
- Re: [hybi] Handshake was: The WebSocket protocol … James Graham
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Bjoern Hoehrmann
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Ian Fette (イアンフェッティ)
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Ian Hickson
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Ian Fette (イアンフェッティ)
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Patrick McManus
- Re: [hybi] Handshake was: The WebSocket protocol … Ian Fette (イアンフェッティ)
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Eric Rescorla
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Scott Ferguson
- Re: [hybi] Handshake was: The WebSocket protocol … Adam Barth
- Re: [hybi] Handshake was: The WebSocket protocol … Eric Rescorla
- Re: [hybi] Handshake was: The WebSocket protocol … Maciej Stachowiak
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Patrick McManus
- Re: [hybi] Handshake was: The WebSocket protocol … Patrick McManus
- Re: [hybi] Handshake was: The WebSocket protocol … Willy Tarreau
- Re: [hybi] Handshake was: The WebSocket protocol … Patrick McManus