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Re: [WEB SECURITY] Round-up: Ways to bypass HttpOnly (and HTTP Basic aut

from [Achim Hoffmann] Network Security [Permanent Link]
Subject: Re: [WEB SECURITY] Round-up: Ways to bypass HttpOnly (and HTTP Basic auth)
Date: Wed, 3 May 2006 15:24:18 +0200 (MEST) 

On Wed, 3 May 2006, Amit Klein (AKsecurity) wrote:

!! You'll see the incoming cookies in HTTP_COOKIE. I'm not sure about HTTP 
Basic Auth though
!! (I expected to see it in HTTP_AUTHORIZATION, but it seems that the servers 
handle this
!! header and do not provide it in the ENV variables).

Apache provides only AUTH_TYPE (Basic|Digest) and REMOTE_USER .
But IIRC there're patches around to provide the full credentials.
Old Netscape Enterprise was also able to provide the full credentials (at least
with a homemade plug-in), not sure for its successors iPlanet and SunONE.

!! Bottom line: there are many known attacks against HttpOnly (and
!! against Basic auth), that is, many known ways to elevate "standard" XSS 
condition to
!! be able to grab session info/credentials stored in HttpOnly cookies/HTTP 
Basic auth.

hmm, how do you use XSS to grab Basic auth?

{-: Achim


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