bugtraq - Re: Google Chrome: HTTP AUTH Dialog Spoofing through Realm Manipulation (Restated)

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Message-ID: <20100823173532.GG2109@sentinelchicken.org>
Date: Mon, 23 Aug 2010 10:35:32 -0700
From: Tim <tim-security@...tinelchicken.org>
To: Aditya K Sood <0kn0ck@...niche.org>
Cc: bugtraq@...urityfocus.com, websecurity@...appsec.org
Subject: Re: Google Chrome: HTTP AUTH Dialog Spoofing through Realm
 Manipulation (Restated)

Hi Aditya,

> Google Chrome ( 5.0.375.127 and previous versions) suffers from HTTP
> Auth Dialog spoofing vulnerability due to possible
> realm manipulation in the HTTP header. Previously, Google chrome has got
> a similar bug which can be seen on the following link


How is this significantly different than the issues described in:
  http://www.vsecurity.com/download/papers/WeaningTheWebOffOfSessionCookies.pdf
?

See the section on page 11 entitled "Weak User Interfaces for HTTP
Authentication"

In your video, I didn't see precisely what realm string was sent or
what the overall auth header was, so it's hard to tell.  Also, it may
be that variants of these attacks still work in Firefox.

Note that the above paper was sent to all major browser vendors around
the time that Google was notified about (and fixed) this bug:
  http://code.google.com/p/chromium/issues/detail?id=32718

tim