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[Full-disclosure] Wireless Disk PRO v2.3 iOS - Multiple Web Vulnerabilities

Title:
======
Wireless Disk PRO v2.3 iOS - Multiple Web Vulnerabilities


Date:
=====
2013-02-26


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=883


VL-ID:
=====
883


Common Vulnerability Scoring System:
====================================
6.2


Introduction:
=============
AirDisk Pro allows you to store, view and manage files on your iPhone, iPad or 
iPod touch. You can connect to AirDisk Pro from any Mac or 
PC over the Wi-Fi network and transfer files by drag & drop files straight from 
the Finder or Windows Explorer.

DOCUMENT READER:
Support MS Office, iWork, Text & HTML
MULTIMEDIA PLAYER:
An ability to in app create your own audio playlist with repeat, shuffle, 
background playback and remote control from multitask.
HTTP/FTP PASSWORD PROTECTED:
Files transfer between PC/Mac with password protected.
FILE OPERATION:
Move, Copy, Rename, Delete, Zip, Unzip, UnRAR, Create File and Folder.
FILE SHARING:
File sharing with other iPhone/iPad devices via Bluetooth or Wi-Fi connection 
with automatic search of nearest available devices around you.
EASY FILE UPLOAD:
Drag and drop files upload via your PC/Mac web browser or USB via iTunes File 
Sharing.
TEXT EDITOR:
Built-in text editor that allows you to edit your text files or source codes on 
your iOS device.
IMPORT/ FILES CREATION:
An ability to create text files, image captures, video records, voice 
recordings and import pictures from photo library.
PASSCODE LOCK:
An ability to protect your files from viewing by others.
UNIVERSALITY:
This app is developed for both iPhone and iPad, you need to purchase only once.

AirDisk Pro features document viewer, PDF reader, music player, image viewer, 
voice recorder, text editor, file manager and 
support most of the file operations: like delete, move, copy, email, share, 
zip, unzip and more.

(Copy of the Vendor Homepage: 
https://itunes.apple.com/us/app/airdisk-pro-wireless-flash/id505904421 )


Abstract:
=========
The Vulnerability Laboratory Research Team discovered multiple vulnerabilities 
in the mobile Wireless Disk PRO v2.3 app for the apple ipad & iphone.


Report-Timeline:
================
2013-02-26:     Public Disclosure


Status:
========
Published


Affected Products:
==================
Apple
Product: Wireless Disk PRO 2.3


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


Severity:
=========
Critical


Details:
========
1.1
A local file include web vulnerability via POST request method is detected in 
the mobile Wireless Disk PRO v2.3 app for the apple ipad & iphone.
The vulnerability allows remote attackers via POST method to inject local app 
webserver folders to request unauthorized local webserver files.

The vulnerbility is located in the upload file module of the webserver 
(http://localhost:6566/) when processing to request a manipulated 
filename via POST. The execution of the injected path or file request will 
occur when the attacker is processing to reload to index listing 
of the affected module after the file include attack via upload.

Exploitation of the vulnerability requires no user interaction and also without 
application user account (no password standard).
Successful exploitation of the vulnerability results in unauthorized path or 
file access via local file or path include attack.

Vulnerable Application(s):
                                [+] Wireless Disk PRO v2.3 - ITunes or AppStore 
(Apple)

Vulnerable Module(s):
                                [+] File Upload  (Web Server) [Remote]

Vulnerable Parameter(s):
                                [+] filename

Affected Module(s):
                                [+] File - Index Listing



1.2
A local command injection web vulnerability is detected in the mobile Wireless 
Disk PRO v2.3 app for the apple ipad & iphone.
The vulnerability allows to inject local commands via vulnerable system values 
to compromise the apple mobile application.

The vulnerbility is located in the index module when processing to load the 
ipad or iphone device name. Local attackers can 
change the ipad or iphone device name to system specific commands and file/path 
requests to provoke the execution when 
processing to watch the index site of the application.

Exploitation of the web vulnerability requires a local privilege device user 
account (standard) without user interaction.
Successful exploitation of the vulnerability results unauthorized execution of 
system specific commands or file/path requests.

Vulnerable Application(s):
                                [+] Wireless Disk PRO v2.3 - ITunes or AppStore 
(Apple)

Vulnerable Module(s):
                                [+] Index

Vulnerable Parameter(s):
                                [+] device name

Affected Module(s):
                                [+] Header Device - Index File Dir Listing



1.3
A persistent input validation vulnerability is detected in the mobile Wireless 
Disk PRO v2.3 app for the apple ipad & iphone.
The bug allows an attacker (remote) to implement/inject malicious script code 
on the application side (persistent) of the app web service. 

The vulnerability is located in the index file dir listing module of the 
webserver (http://localhost:6566/) when processing to display
injected and via POST request method manipulated filenames. The persistent 
script code will be executed out of the main index file dir 
listing module when the service is processing to list the new malicious 
injected filename as item.

Exploitation of the persistent web vulnerability requires low or medium user 
interaction without application user account.
Successful exploitation of the vulnerability can lead to persistent session 
hijacking (customers), account steal via persistent web 
attacks, persistent phishing or stable (persistent) certificate mail 
notification context manipulation.

Vulnerable Application(s):
                                [+] Wireless Disk PRO v2.3 - ITunes or AppStore 
(Apple)

Vulnerable Module(s):
                                [+] File Upload  (Web Server) [Remote]

Vulnerable Parameter(s):
                                [+] name

Affected Module(s):
                                [+] Filename - Index File Dir Listing


Proof of Concept:
=================
1.1
The file include web vulnerability can be exploited by remote attackers without 
application user account and also without user interaction. 
For demonstration or reproduce ...

PoC: (POST)
-----------------------------243701706111075
Content-Disposition: form-data; name="file"; filename="[FILE/PATH INCLUDE WEB 
VULNERABILITY].png"
Content-Type: image/gif  flag: 137


1.2
The command injection web vulnerability can be exploited by local privilege 
device user accounts with low required user interaction.
For demonstration or reproduce ...

DEVICE NAME: IPad360 ¥337

Standard Application Header:
<div id="header_bottom">The following files are the hosts live from IPad360 
¥337 WirelessDisk App Document folder</div>

Manipulated Application Header:
<div id="header_bottom">The following files are the hosts live from [COMMAND 
INJECTION VIA DEVICENAME!] WirelessDisk App Document folder</div>


1.3
The persistent script code injection web vulnerability can be exploited by 
remote attackers without application user account 
and with medium required user interaction. For demonstration or reproduce ...

Review:  Index File Dir Listing - Name
<table id="table1" border="0" cellpadding="1" cellspacing="2" 
width="741"><tbody><tr><td style="width:461px;background-color:#ebebeb;">
 ?? <a href="327.png" target="_blank">327.png</a></td><td 
style="width:100px;background-color:#e3e3e3;text-align:right;">
27.27 KB </td><td 
style="width:180px;text-align:center;background-color:#ebebeb;">2013-02-11 
08:07:16</td></tr><tr>
<td style="width:461px;background-color:#ebebeb;"> ?? 
<a href="<[PERSISTENT INJECTED SCRIPT CODE AS NAME!]" 
target="_blank"><[PERSISTENT INJECTED SCRIPT CODE AS 
NAME!]>%20%20%20%20</a></td>
<td style="width:100px;background-color:#e3e3e3;text-align:right;">27.27 KB 
</td><td style="width:180px;text-align:
center;background-color:#ebebeb;">2013-02-11 08:07:35</td></tr>


Risk:
=====
1.1
The security risk of the local file/path include web vulnerability via POST 
request method is estimated as critical.

1.2
The security risk of the local command injection vulnerability is estimated as 
high(-).

1.3
The security risk of the persistent input validation web vulnerability is 
estimated as medium(+).


Credits:
========
Vulnerability Laboratory [Research Team]  -    Benjamin Kunz Mejri 
(bkm@xxxxxxxxxxxxxxxxxxxxx)


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===========
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