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November 23rd, 2005, 11:12 PM
#1
Yahoo Vulnerable to HTML Attachments
Hey Hey,
This just came across bugtraq... It's a little frightening.
<?
<TABLE border="1" cellspacing="1" cellpadding="0"> <TR>Your profile is out of date, please update <a href="http://www.antionline.com">clicking here.</a></TR> </TABLE>
That code when placed as an HTML attachment to a yahoo user (Also affects anyone using YAHOO Mail... Rogers.com, Shaw.ca, Verizon with Yahoo Portal)
The text your profile is out of date, please update will appear on the screen with that link saying click here... I've modified it to take the user to antionline (for testing)... However it does work... I've tested it and the text was there..
Here's the original bugtraq email, along with the screenshot that was included:
Hi,
I've noticed a strange behavior in "Yahoo! Mail" when dealing with html attachments. It's possible to insert data into the "Yahoo! Mail" html interface.
For example, with the following code in an html attachment it's possible to insert "Your profile is out of date, please update clicking here" above the button "Check Mail".
<?
<TABLE border="1" cellspacing="1" cellpadding="0"> <TR>Your profile is out of date, please update <a href="www.blabla.com">clicking here.</a></TR> </TABLE>
I think this could be used in phishing scam.
For a screenshot, see [1]. The circulated text was inserted into interface of the "Yahoo! Mail" through an email with the above code as an html attachment.
I tried to contact "Yahoo!" several times, without success.
[1] - http://richard.computeiro.com/yahoo_bug.jpg
If Yahoo doesn't respond and fix this... this could present a whole new brand of problems...
[Edit]
As an after thought I wonder if this could be tied in with the IE window() problem to basically nail any yahoo user...
[/Edit]
Peace,
HT
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