Wifi Album v1.47 iOS - Command Injection Vulnerability

[Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>]

Title:
======
Wifi Album v1.47 iOS - Command Injection Vulnerability


Date:
=====
2013-04-25


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=935


VL-ID:
=====
935


Common Vulnerability Scoring System:
====================================
5.6


Introduction:
=============
WiFi Album allows you to easily transfer photos and videos between 
iPhone,iPad,iTouch,iMac and PC. Transfer photos and videos 
over WiFi, no cables or extra software required. In this version, iPhone to 
iPhone connecting function added! you can found 
other wifi album iPhone around of you, view or download items from their shared 
album directly.

To manage your album in computer, Just start the app and enter the displayed 
address into the address bar of your browser. 
Works with any computer that has a modern browser (like desktop or portable 
computers, iPads, or even an other iPhone) and is 
on the same wifi network as your iPhone, iPod or iPad.

- View albums on PC directly
- Easy put photos/videos on iPod/iPhone/iPad without iTunes

(Copy of the Homepage: 
https://itunes.apple.com/de/app/wifi-album-free-wireless-photo/id465587383 )


Abstract:
=========
The Vulnerability Laboratory Research Team discovered multiple vulnerabilities 
in the mobile Wifi Album v1.47 iOS app (Apple - iPad|iPhone).


Report-Timeline:
================
2013-04-26:     Public Disclosure


Status:
========
Published


Affected Products:
==================
Apple AppStore
Product: Wifi Album 1.47


Exploitation-Technique:
=======================
Local


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


Details:
========
A local command injection web vulnerability is detected  in the mobile Wifi 
Album v1.47 iOS app (Apple - iPad|iPhone).
The vulnerability allows to inject local commands via vulnerable system values 
to compromise the apple mobile iOS application.

The vulnerability is located in the index module when processing to load the 
ipad or iphone photo album folder names. 
Local attackers can change the ipad or iphone photo album names to system 
specific commands and file requests to provoke 
the execution when processing to watch the main index album listing. The 
execution of the script code occurs in the album 
folder name web context when processing to display the vulnerable name value 
listing.

Exploitation of the web vulnerability does not require an application user 
account with login (standard) or user interaction.
Successful exploitation of the vulnerability results unauthorized execution of 
system specific commands and path requests.


Vulnerable Application(s):
                                [+] Wifi Album v1.47 - ITunes or AppStore 
(Apple)

Vulnerable Parameter(s):
                                [+] Album foldername

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


Proof of Concept:
=================
The local command inject vulnerability via the album name value can be 
exploited by remote attackers with  local device access.
Exploitation requires a low user interaction click to refresh the index 
listing. For demonstration or reproduce ...

PoC: Album Name - Index Listing  (class name) 

<span class="name">>%20>"<iframe 
src="Wifi%20Album%20%20Easy%20Photo%20Transfer%20Tools_files/a.htm">
  <><>>%20>"<iframe 
src=http://www.vulnerability-lab.com></span></div><div
 class="info_col"><span class="f_left gray">12 
Files</span></div></div></div></iframe></span>


Risk:
=====
The security risk of the local command/path injection web vulnerability is 
estimated as medium(+)|(-)high.


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


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===========
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