bugtraq - Synergiser <= 1.2 RC1 Local File Inclusion & Full path disclosure

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Date: 1 Nov 2007 12:59:25 -0000
From: kingoftheworld92@...twebnet.it
To: bugtraq@...urityfocus.com
Subject: Synergiser <= 1.2 RC1 Local File Inclusion & Full path disclosure

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/_   | ____     |__\_____  \  _____/  |_          /_   |/  |_ 
 |   |/    \    |  | _(__  <_/ ___\   __\  ______  |   \   __\
 |   |   |  \   |  |/       \  \___|  |   /_____/  |   ||  |  
 |___|___|  /\__|  /______  /\___  >__|            |___||__|  
          \/\______|      \/     \/                         
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Http://www.inj3ct-it.org 	     Staff[at]inj3ct-it[dot]org 
Original here: http://www.inj3ct-it.org/exploit/syner.txt
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Synergiser <= 1.2 RC1 Local File Inclusion & Full path disclosure

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#By KiNgOfThEwOrLd

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PoC:
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Synergiser cms allows to include a file by the get variabile "page". We can't include a remote file, coz there is a filter..but we can include, by a directory traversal, some important files...for example:
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http://[target]/[synergiser_path]/index.php?page=../../../etc/passwd
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So, we have to know the script path if we wanna browse the server...we can get it generating a full path disclosure, like this:
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http://[target]/[synergiser_path]/index.php?page=../index.php
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We know that a function cannot be declared two times. So, let's read the "index.php" code, and we will found:
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include('application_top.php');
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This row includes "application_top.php". In that page, is declared a php function: assign_rand_value(); So, including index.php in index.php, we will reinclude application_top.php, and we will redeclare the same function. We can't do it! So the server will answer:
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Fatal error: Cannot redeclare assign_rand_value() (previously declared in [script_path]/application_top.php:9) in [script_path]/application_top.php on line 124
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And we got the script path! :P
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