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Security Issue With Ctrl+c/copy On Clipboard


cse-icons
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Post #1 post Sep 8 2005, 06:29 AM
hi friends,

We all copy various data by using ctrl+c/Copy for pasting elsewhere.
This copied data is stored on clipboard and is accessible over the net by a combination of Javascripts and ASP.

Just try this:
1) Copy any text by ctrl+c
2) Click the Link: http://www.friendlycanadian.com/applications/clipboard.htm
3) You will see the text you copied on the Screen which was
accessed by this web page.

Moral:
Do not keep sensitive data (like passwords, creditcard numbers, PIN etc.) in the clipboard while surfing the web. It is extremely easy to extract the text stored in the clipboard to steal your sensitive information. If sufficient data is stored by mistake it would give away confidential and important information without you knowing about it.

To Avoid This
To avoid this, follow these steps:

1. Go to internet options->security

2. Press custom level

3. In the security settings, select disable under Allow paste operations via script.
Now the contents of your clipboard are safe.

Pass this information on to create an awareness of the same.

Safe Browsing,
Cheers.
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Mature Lamb
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Post #2 post Sep 8 2005, 06:42 AM
Wow! Thanks for the tip. Very useful information you posted. I never really put any of my passwords or personal information on clipboard, but this tip may actually help if I do. Thanks, once again. biggrin.gif
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mayank
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Post #3 post Sep 8 2005, 09:42 AM
Yeah this is certainly a great tip!
I used to copy and paste my passwords but now i am not going to that anymore.
thanks again buddy!
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icemarle
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Post #4 post Sep 8 2005, 11:06 AM
Weird, it doesn't work on Firefox (well, for me) and the last thing I copied wasn't right when I viewed it on IE. Anyway, thanks for the tip. That's something that people will want to bear in mind, considering that it's an overlooked feature and all. We usually trust the innocent Ctrl+C that we don't know about the flaw it has. Sigh... why does it have something to do with Javascript and the like? dry.gif It's so annoying...
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sunny
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Post #5 post Sep 8 2005, 11:27 AM
It can be done by just using Javascript. The ASP (or PHP) can be used to store this information to any database.

Most important thing: It only Works with Internet Explorer and Netscape.

So get a real browser, Get Firefix [http://www.mozilla.org/products/firefox/] .
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Microsoft
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Post #6 post Sep 9 2005, 12:09 AM
FireFox*

well then i dont have to worry aobut it? i run in a firefox browser :/
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crapoartworks
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Post #7 post Sep 9 2005, 01:03 AM
Whoa, I never knew that..... Thanks for sharing! wink.gif
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ManOfSTEEL
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Post #8 post Sep 9 2005, 02:47 AM
QUOTE(cse-icons @ Sep 8 2005, 03:29 PM)

Just try this:
1) Copy any text by ctrl+c
2) Click the Link: http://www.friendlycanadian.com/applications/clipboard.htm
3) You will see the text you copied on the Screen which was
accessed by this web page.

Moral:
Do not keep sensitive data (like passwords, creditcard numbers, PIN etc.) in the clipboard while surfing the web. It is extremely easy to extract the text stored in the clipboard to steal your sensitive information. If sufficient data is stored by mistake it would give away confidential and important information without you knowing about it.


That was a nice tips to me, but not all copied data can be retrieve by this website like wat you have said password, if the text you copied is encrypted it will not be able to get the data. although those data that can be read with your naked eyes can be retrieved.

anyway to make sure that your data is safe, follow the instruction that cse-icons posted smile.gif
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sandbox
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Post #9 post Sep 9 2005, 08:21 AM
Wow, yet another reason to love and use Firefox. I copy and paste my passwords all the time because I can never remember them. Great tip! It's scary to imagine all the people out there (90% of market, right?) that could be surfing with their clipboards easily viewable by malicious web sites.
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Becca
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Post #10 post Sep 10 2005, 09:58 AM
woah, I never knew that. That is seriously bad! I'm kinda scared now because I've started to use CTRl+C more and more and stuff.
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