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myPHP Forum Unauthorized Access
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SUMMARY
" <http://www.myphp.ws/> MyPHP Forum, an easy to set up and easy to use
MySQL and PHP based forum. It is distributed freely under the GPL license.
It was made generally for use on small to medium sized websites which need
a clean and efficient forum but without all the bloat that generally comes
with other forums."
Lack of validation checks allows myPHP forum user to create new categories
and invisible topics. You can also probably hide entire forum on somebody
else's site.
DETAILS
Vulnerable Systems:
* myPHP Forum versions 3.0 and prior
Both forum.php and topic.php files have no validation checks. They are
wide open. When visiting forums, click a forum category. In the URL bar,
you'll see "fid=n", where n is the topic number. You can change this value
to whatever value you want, for example, "fid=999999999".
This will create a new empty forum folder that allows you to click the
"new topic" link. This means that you can insert a message into forum
"999999999" ... while this forum doesn't even exist in the forum index.
The same stands for topic.php. If you click a topic, you'll see "tid=n".
It is possible to post topics with arbitrary id numbers, thus hiding them
inside the forum.
ADDITIONAL INFORMATION
The information has been provided by <mailto:terencentanio@root32.com>
Terencentanio Enache.
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