full-disclosure - Re: Newest hacks

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Date: Wed, 21 Mar 2007 01:48:34 -0400
From: Jim Popovitch <jimpop@...oo.com>
To: full-disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Re: Newest hacks

On Wed, 2007-03-21 at 13:26 +0800, wangkaig@...ovo.com wrote:
> 
> Hi guys, 
> 
> I noticed a news recently.Researchers at Indiana University's
> Department of Computer Science recently released a report outlining a
> way hackers could potentially access and change the configuration
> routers on home networks. They described how some JavaScript built
> into a Web page could be used to log into the administrator account of
> a home router and change its DNS (define) settings.The Indiana
> University report points out that this attack doesn't exploit any
> browser vulnerability, and, more importantly, it seems to work with
> pretty much any router,rrespective of brand or model.Any idea how to
> program the javascript to modify the DNS configuration?  

Sure.  Someone could create an html email with an img src set to
something like this:
http://192.168.1.1?/cgi-stuff?dns1=badguy.someplace.tld.  

Next they could add a bunch of urls for all the different router types.
Then, they could send the email from a common Sender addr like
security@<comapany>.tld so that email clients load the images
automatically.  :-(

-Jim P.

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