full-disclosure - Add URL to Google.com Captcha Bypass

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Date: Mon, 11 Apr 2011 11:14:53 +0530
From: sandeep l337 <sandeepk.l337@...il.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Add URL to Google.com Captcha Bypass

**

This Captcha bypass allow to spammer to submit number (that May be more than
1000 Website) of websites to Google crawl by writing simple program in any
programming language.

Original link (With captcha):
www.google.com/addurl/?continue=/addurl

Bypass captcha link POC:  http://www.google.com/addurl?q=www.mysite.com&hl=&dqq=

If you execute the above URL in the browser
then it will add the new website to Google crawl database.

Following Program can be used to submit a large amount of website at a time.

Test:

http://vishalkhobare.com/sandeep/googlesploit.php

This may be small Vulnerability but still we want google to most secure! So
please try to fix. Otherwise there will be no use of captcha .

/peace

Sandeep S. Kamble

*Karma Cyber Intel *

*www.karmacyberintel.net*

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