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Date: Fri, 16 Mar 2007 01:08:53 +0530
From: "Debasis Mohanty" <debasis.mohanty.listmails@...il.com>
To: "'Rod Trent'" <rodtrent@...Tforum.com>, <jay.tomas@...osecguru.com>,
	<shaun@...unc.com>, <full-disclosure@...ts.grok.org.uk>
Subject: Re: tinyurl.com - Local Clipboard

It is sometimes interesting to see how typos can change the meaning. 

Correction -> they "did bother"


-----Original Message-----
From: Rod Trent [mailto:rodtrent@...Tforum.com] 
Sent: Friday, March 16, 2007 12:39 AM
To: 'Debasis Mohanty'; jay.tomas@...osecguru.com; shaun@...unc.com;
full-disclosure@...ts.grok.org.uk
Subject: RE: [Full-disclosure] tinyurl.com - Local Clipboard

What are you saying.  The "didn't bother", they "did bother", they were
"bothered"??

-----Original Message-----
From: full-disclosure-bounces@...ts.grok.org.uk
[mailto:full-disclosure-bounces@...ts.grok.org.uk] On Behalf Of Debasis
Mohanty
Sent: Thursday, March 15, 2007 2:28 PM
To: jay.tomas@...osecguru.com; shaun@...unc.com;
full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] tinyurl.com - Local Clipboard

>> So you can't make the statement that nothing happend with FF.

Don't bother about Firefox, they did bothered to take care of basic security
issues before creating the browser. 

Accessing the clipboard via a web page is a pretty old well known bad design
issue with IE. Try this link with your IE4 - IE6 with the default settings -
http://www.friendlycanadian.com/applications/clipboard.htm

Here the MS KB article for more details - 
http://support.microsoft.com/kb/224993


-d


-----Original Message-----
From: full-disclosure-bounces@...ts.grok.org.uk
[mailto:full-disclosure-bounces@...ts.grok.org.uk] On Behalf Of
jay.tomas@...osecguru.com
Sent: Thursday, March 15, 2007 11:12 PM
To: shaun@...unc.com; full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] tinyurl.com - Local Clipboard

If they can write to it, then they can read from it. There is no distinction
or security control.

There will also not be a trace on the client side that anything has
happened. Additonal testing with Opera and FF2 show that they do not
block/prompt for this behaviour by default. So you can't make the statement
that nothing happend with FF.

Jay


----- Original Message -----
From: Shaun [mailto:shaun@...unc.com]
To: jay.tomas@...osecguru.com,full-disclosure@...ts.grok.org.uk
Sent: Thu, 15 Mar 2007 12:30:48 -0500
Subject: Re: [Full-disclosure] tinyurl.com - Local Clipboard

I took a quick look and it appears that they aren't trying to read the
clipboard, they're trying to write the generated tinyurl to it for the
folks who are too lazy to control-c it out of the page. Annoying to have
your clipboard contents clobbered, but not really a threat.

It didn't do anything in FF2.

-s

On Thu, 15 Mar 2007 10:15:53 -0400
<jay.tomas@...osecguru.com> wrote:

> "TinyURL.com 
> Making long URLs usable! More than 29 million of them. Over 700 million
hits/month."
> 
> Word of warning. When you submit a url to be shortened by tinyurl.com they
attempt to steal the contents of your local clipboard.
> 
> IE7 intercepts this and ask whether you want a site to be able to access
your clipboard or not. Not sure how IE6, Opera and Firefox behave.
> 
> Sent an email to inquire about why they were trying to access. No response
as of yet.
> 
> Jay
> 



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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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