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From: JP <j07ap3 () gmail com>
Date: Thu, 25 Jun 2009 17:29:04 -0300

Hi,

Here's the vulnerabilities descriptions and POCs:
#################################

I write to report three vulnerabilities that I found in the last version of Aardvark Topsites PHP(5.2.1) and older versions.

The cause of all of them is the incorrect verification of input parameters.


Here are the vulnerabilities:
==================

HTML Injection (up to 5.2.0)
--------------------------

For example, is possible to inject a link to any URL with any anchor text.

POC: /index.php?a=search&q=psstt+security”><a+href%3Dhttp%3A%2F%2Fwebsec.id3as.com>Web-Application-Security


Information Disclosure 1 (up to 5.2.1)
--------------------------

Disclosure of full path of the application sources when you put a negative number at the ’start’ parameter.

POC: /index.php?a=search&q=psstt&start=-4


Information Disclosure 2 (up to 5.2.0)
--------------------------

Disclosure of full path of the application sources and some source code too when you put an non-existent user at ‘u’ parameter.

POC: /index.php?a=rate&u=nonexistentuser
==================

I created a page with the details and possible updates at: http://websec.id3as.com/aardvark-topsites-php-521-security-vulnerabilities-disclosure/


Feel free to ask me any question about this to properly report this vulnerabilities.

Google Dork: "Powered by Aardvark Topsites PHP 5.2.0"
(or 5.2.1 for the last version)

#################################

Thanks,
José Pablo González / J07AP3



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