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Olive File Manager v1.0.1 iOS - Multiple Vulnerabilities

Title:
======
Olive File Manager v1.0.1 iOS - Multiple Vulnerabilities


Date:
=====
2013-07-13


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=1009


VL-ID:
=====
1009


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


Introduction:
=============
A powerful file manager and well-designed office suit. Multiple features all in 
one app, coming with new functions every 2 weeks! 
These are all in Olive File Manager! Once you have it, ask for nothing else! 
Powerful file manager: Retain your use habits with PC 
file manager such as copy and paste. Capable of opening documents like mail 
attachments from other apps. Support for multiple 
display mode(e.g. list, thumbnail, grid), sending documents as mail 
attachments, screening display, sorting and searching documents, etc.

A wireless USB flash disk
A compressing & decompressing tool
An encrypted safe box
An e-book reader
A GoogleDocs terminal
A Dropbox terminal
A picture viewer
A music player
A video player

Office Suite: Multiple formats supports available, including doc, docs, xls, 
xlsx, ppt, pptx, pdf, txt, rtf, html, iwork, etc.
Wireless USB flash disk: This enables you to transfer your files from your USB 
disk to your iPad through WIFI.
Compressing & decompressing: Support for decompression and package compression 
for .zip and .rar files.

Encrypted safe box: You can set a password on your Olive File Manager and never 
need to worry about your documents being exposed when 
someone is playing your iPad. Cloud: GoogleDocs and Dropbox supports are 
available with the function of synchronous upload and download 
of files(More Cloud supports are under development). Picture Viewer: Support 
for common image formats such as .png, .bmp and .jpg.
Music & Video Player: Support for common video formats including MP3, AAC, 3GP, 
avi, au, wav, MP4, mov and m4a

(Copy of the Vendor Homepage:  
https://itunes.apple.com/de/app/olive-file-manager/id529493702 )


Abstract:
=========
The Vulnerability Laboratory Research Team discovered multiple vulnerabilities 
in the Olive File Manager v1.0.1 application (Apple iOS - iPad & iPhone).


Report-Timeline:
================
2013-07-13:    Public Disclosure (Vulnerability Laboratory)


Status:
========
Published


Affected Products:
==================
Apple AppStore
Product: Olive File Manager Wifi 1.0.1


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


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


Details:
========
1.1
A local file include and arbitrary file upload web vulnerability is detected in 
the Olive File Manager v1.0.1 application (Apple iOS - iPad & iPhone).
The vulnerability allows remote attackers to upload files via POST method with 
multiple extensions to unauthorized access them on application-side of the 
service.

The vulnerability is located in the file upload/add module of the web-server 
(http://localhost:8797/) when processing to request 
a manipulated filename via POST. The injected file will be accessable via the 
index listing module of the web application.

Remote attackers can exchange the filename with a double or tripple extension 
bia POST method to bypass the upload validation and filter process. 
After the upload the attacker access the file with one extension and exchange 
it with the other one to execute for example php codes.

A persistent script code injection is detected in the filename parameter. 
Attackers can tamper the request and exchange the file name with 
persistent malicious script code or tags. The code will be executed in the main 
index site when processing to list the object (file) items.
Attackers are also able to inject persistent code with local frame requests to 
unauthorized access application data/apps or restricted 
application information. The execution of the persistent code also occurs when 
an application user is processing to refresh, update or delete 
the malicious web context.

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

Vulnerable Application(s):
                                [+] Olive File Manager v1.0.1 - ITunes or 
AppStore (Apple)

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

Vulnerable File(s):
                                [+] AirDriveAction_file_add

Vulnerable Parameter(s):
                                [+] filename

Affected Module(s):
                                [+] Application Index File Listing 
(http://localhost:8797/)



1.2
A persistent input validation web vulnerability is detected in the Olive File 
Manager v1.0.1 application (Apple iOS - iPad & iPhone).
The bug allows an attacker (remote) to implement/inject malicious script code 
on the application side (persistent) of the app.

The vulnerability is located in the index file dir listing module of the 
web-server (http://localhost:8797/) when processing to 
display via POST request method injected manipulated `folder names`. The 
persistent script code will be executed in the main 
index file dir listing module when the service lists the new malicious injected 
foldername 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):
                                [+] Olive File Manager v1.0.1 - ITunes or 
AppStore (Apple)

Vulnerable Module(s):
                                [+] Add Folder

Vulnerable Parameter(s):
                                [+] foldername

Affected Module(s):
                                [+] Index Folder Listing 
(http://localhost:8797/)


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

PoC: Filename

<div class="file_list_container"><div class="file_list_item"><table 
height="50px" border="0" cellpadding="0" 
cellspacing="0" width="100%"><tbody><tr><td align="center" valign="middle" 
width="50"></td><td align="left" 
valign="middle" width="*"><a href="..">..</a>
</td></tr></tbody></table></div><div class="file_list_item"><table 
height="50px" border="0" cellpadding="0" 
cellspacing="0" width="100%"><tbody><tr><td align="center" valign="middle" 
width="50"></td><td align="left" 
valign="middle" width="*"><a href="<[LOCAL FILE/PATH REQUEST!]"></a>            
        
(Size:27,27 Kb, Last Modified:2013-07-12 18:34:15)<br />
</td></tr></tbody></table></div><div class="file_list_item"><table width="100%" 
height="50px" border="0" 
cellpadding="0" cellspacing="0"><tbody><tr><td width="50" align="center" 
valign="middle"></td><td width="*" 
align="left" valign="middle"><a href=">">[LOCAL FILE/PATH REQUEST!]></a>        
                
(Size:27,27 Kb, Last Modified:2013-07-12 18:33:42)<br />
</td></tr></tbody></table></div></div></div><div class="footer"><div 
class="footer_text">Copyright © 2008 OliveOffice,Inc.
</div></div></body></html></iframe></a></td></tr></tbody></table></div></div>


--- POST Method Request Log ---

POST_DATA[-----------------------------151253266715950
Content-Disposition: form-data; name="file"; filename=">"[LOCAL FILE/PATH 
REQUEST!]>.png"
Content-Type: image/png


1.2
the persistent input validation web vulnerability can be exploited by remote 
attackers without privilege application user account and
with low or medium required user interaction. For demonstration or reproduce ...

PoC: Foldername

<div class="file_list_container"><div class="file_list_item"><table 
height="50px" border="0" cellpadding="0" 
cellspacing="0" width="100%"><tbody><tr><td align="center" valign="middle" 
width="50"></td><td align="left" 
valign="middle" width="*"><a href="..">..</a>
</td></tr></tbody></table></div><div class="file_list_item"><table 
height="50px" border="0" cellpadding="0" cellspacing="0" 
width="100%"><tbody><tr><td align="center" valign="middle" width="50"></td><td 
align="left" valign="middle" 
width="*"><a href="%20[PERSISTENT INJECTED SCRIPT CODE!]>" <[PERSISTENT 
INJECTED SCRIPT CODE!]">/">%20>
"<[PERSISTENT INJECTED SCRIPT CODE!]">/</a>                     
(Size:0 Kb, Last Modified:2013-07-12 18:26:31)<br />
</td></tr></tbody></table></div></div></div><div class="footer"><div 
class="footer_text">Copyright © 2008 OliveOffice,Inc.
</div></div></body></html></iframe></a></td></tr></tbody></table></div></div>


Solution:
=========
1.1
The arbitrary file upload web vulnerability and the upload filter bypass issue 
is estimated as high(+).

1.2
The security risk of the persistent input validation vulnerabilities is 
estimated as high(-).


Risk:
=====
The security risk of the persistent input validation web vulnerability is 
estimated as high(-).


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


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===========
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