full-disclosure - Re: Surf Jack - HTTPS will not save you

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Message-Id: <200808120934.51924.noamr@beyondsecurity.com>
Date: Tue, 12 Aug 2008 09:34:51 +0300
From: Noam Rathaus <noamr@...ondsecurity.com>
To: full-disclosure@...ts.grok.org.uk
Cc: Sandro Gauci <sandro@...blesecurity.com>
Subject: Re: Surf Jack - HTTPS will not save you

Hi,

Apparently only Gmail has this feature, Google Apps site owners do not have 
this option in their settings tab - so they are still vulnerable to attack.

On Tuesday 12 August 2008 02:37:24 coderman wrote:
> On Mon, Aug 11, 2008 at 4:03 AM, Sandro Gauci <sandro@...blesecurity.com> 
wrote:
> > Say hello to a new security tool called "Surf Jack" which demonstrates
> > a security flaw found in various public sites. The proof of concept
> > tool allows testers to steal session cookies on HTTP and HTTPS sites
> > that do not set the Cookie secure flag.
>
> note: Gmail now supports an account option to enforce the secure only
> bit on session cookies and keeps your entire gmail session on SSL.
> this makes attacks like this and Mike Perry's active side jacking
> impossible, as the session cookie is no longer sent in the clear when
> http:// non-SSL links are injected into browser content.
>
> to enable this feature:
> - at top of page select "Settings"
> - scroll to bottom of section for "Browser connection:" preference
> - select "Always use https"
>
> this will pass the Secure / secureonly option when settings the GX=...
> session cookie used to identify your authenticated session.  this
> cookie will then never be sent over plain-text connections, protecting
> you from passive / active side jacking attacks.
>
> be sure to use a somewhat modern browser that supports secure only
> cookies.  you can also verify correct operation with the "Live HTTP
> Headers" plugin for Firefox.
>
> hopefully ongoing attention and improved tools demonstrating the need
> for continuous SSL / secureonly session management will be adopted by
> all web developers and sites.  (i'm not holding my breath...)
>
> best regards,
>
> _______________________________________________
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-- 
Noam Rathaus
CTO
noamr@...ondsecurity.com
http://www.beyondsecurity.com

"Know that you are safe."

Beyond Security Finalist for the "Red Herring 100 Global" Awards 2007

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