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Message-ID: <004a01c523ef$f722b510$0a0218ac@alterix>
Date: Tue, 8 Mar 2005 16:03:18 +0100
From: "SecurityReason" <sp3x@...urityreason.com>
To: <bugtraq@...urityfocus.com>, <full-disclosure@...ts.grok.org.uk>
Subject: Multiple vulnerabilities in paFileDB
-=[ SecurityReason-2005-SRA#01 ]=-
-=[ Multiple vulnerabilities in paFileDB ]=-
Author: sp3x
Date: 8. March 2005
Affected software :
===================
paFileDB version : => 3.1
Description :
=============
paFileDB is designed to allow webmasters have a database of files for download on their site.
To add a download, all you do is upload the file using FTP or whatever method you use, log
into paFileDB's admin center, and fill out a form to add a file. paFileDB lets you edit and
delete the files too.
No more messing with a bunch of HTML pages for a file database on your site!
Using speedy MySQL for storing data, and powerful PHP for processing everything, paFileDB is
one of the best and easiest ways to manage files!
Cross-site scripting - XSS :
============================
In PaFileDB there are XSS that can be used to steal cookies and do other operations, which in
normal conditions are not permitted by browser's cross-domain security restrictions.
First let's see the vuln code.
/includes/functions.php
Code:
-------------------------------------------------------------------------------------------------
function jumpmenu($db, $pageurl,$pafiledb_sql,$str) {
echo("<form name=\"form1\">
<select name=\"menu1\" onChange=\"MM_jumpMenu('parent',this,0)\" class=\"forminput\">
<option value=\"$pageurl\" selected>$str[jump]</option>
<option value=\"$pageurl\">---------</option>");
.....
--------------------------------------------------------------------------------------------------
As we can see the $pageurl variable is vuln for XSS.
Examples:
=========
XSS:
----
http://[target]/[pafiledb_dir]/pafiledb.php?"><script>alert();</script>
http://[target]/[pafiledb_dir]/pafiledb.php?action="><script>alert();</script>
http://[target]/[pafiledb_dir]/pafiledb.php?[something]="><script>alert();</script>
http://[target]/[pafiledb_dir]/pafiledb.php?[something]=&[something]="><script>alert();</script>
and more and more....
So we can enter XSS also in non existing variable.
This XSS is almost on all site because the function jumpmenu is used in pafiledb.php
- line 30 in pafiledb.php - require "./includes/functions.php";
Full Path Disclosure :
======================
Full path to script must be kept in secret because it can lead to successful attack on the
website. If the attacker know Full path to script , he can start searching some more info on
others folders or about the server where the site is and then try to break in.
Many scripts can be accessed directly and this will provoke standard
php error messages, which leads to full path disclosure.
Examples :
----------
http://[target]/[pafiledb_dir]/pafiledb.php?str=[something]
Error message :
---------------
=====================================
Fatal error: Cannot use assign-op operators with overloaded objects nor string offsets in
/[patch to site]/public_html/pafiledb/lang/english.php on line 55
=====================================
http://[target]/[pafiledb_dir]/includes/viewall.php
Error message :
---------------
=====================================
Fatal error: Call to undefined function: locbar() in /patch to
site/public_html/pafiledb/includes/viewall.php on line 16
=====================================
http://[target]/[pafiledb_dir]/includes/stats.php
http://[target]/[pafiledb_dir]/includes/search.php
http://[target]/[pafiledb_dir]/includes/rate.php
http://[target]/[pafiledb_dir]/includes/main.php
http://[target]/[pafiledb_dir]/includes/license.php
Error message :
---------------
=====================================
Fatal error: Call to a member function on a non-object in /patch to
site/public_html/pafiledb/includes/license.php on line 12
=====================================
http://[target]/[pafiledb_dir]/includes/category.php
http://[target]/[pafiledb_dir]/includes/download.php
http://[target]/[pafiledb_dir]/includes/file.php
http://[target]/[pafiledb_dir]/includes/email.php
http://[target]/[pafiledb_dir]/includes/admin.php
Error message :
---------------
=====================================
Warning: main(./includes/admin/login.php): failed to open stream: No such file or directory in
/home/phparena/public_html/demo/pafiledb/includes/admin.php on line 17
Warning: main(./includes/admin/login.php): failed to open stream: No such file or directory in
/home/phparena/public_html/demo/pafiledb/includes/admin.php on line 17
Warning: main(): Failed opening './includes/admin/login.php' for inclusion
(include_path='.:/usr/lib/php:/usr/local/lib/php') in
/home/phparena/public_html/demo/pafiledb/includes/admin.php on line 17
======================================
How to fix :
============
XSS :
-----
give this in function jumpmenu -> file /includes/functions.php
$pageurl=htmlspecialchars($pageurl)
Function should look like this :
Code :
-------------------------------------------------------------------------------------------------
function jumpmenu($db, $pageurl,$pafiledb_sql,$str) {
$pageurl=htmlspecialchars($pageurl);
echo("<form name=\"form1\">
<select name=\"menu1\" onChange=\"MM_jumpMenu('parent',this,0)\" class=\"forminput\">
<option value=\"$pageurl\" selected>$str[jump]</option>
<option value=\"$pageurl\">---------</option>");
.....
--------------------------------------------------------------------------------------------------
Download the new version of the script or update.
Vendor :
========
No respond
Greetz :
========
Special greetz : cXIb8O3 (we are starting man :] ), pkw (you now :])
Contact :
=========
sp3x[at]securityreason[dot].com
www.securityreason.com
Content of type "text/html" skipped
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