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My Photo Wifi Share & PS 1.1 iOS - Local Command Injection Vulnerability
From: Vulnerability Lab <research () vulnerability-lab com>
Date: Thu, 27 Mar 2014 12:26:46 +0100

Document Title:
My Photo Wifi Share & PS 1.1 iOS - Local Command Injection Vulnerability

References (Source):

Release Date:

Vulnerability Laboratory ID (VL-ID):

Common Vulnerability Scoring System:

Product & Service Introduction:
My Photo Wifi Share allows you to share your photos with multiple friends at a time over a local WiFi network. 
Let your friends browse all your albums. Or, view all your photos in your favorite web browser (Safari, Firefox, 
Chrome, or IE). No more USB connections to your iPhone. Read your photos off your phone with super fast speed! 

(Copy of the Homepage: https://itunes.apple.com/au/app/my-photo-wifi-share-picture/id421260815 )

Abstract Advisory Information:
The Vulnerability Laboratory Research Team discovered local a command injection vulnerability in the official My Photo 
Wifi Share & Picture Server v1.1 iOS mobile web-application.

Vulnerability Disclosure Timeline:
2014-03-24:     Public Disclosure (Vulnerability Laboratory)

Discovery Status:

Affected Product(s):
Jeff Handy
Product: My Photo Wifi Share & Picture Server - iOS Mobile Web Application 1.1

Exploitation Technique:

Severity Level:

Technical Details & Description:
A local command injection vulnerability has been discovered in the official in the official My Photo Wifi Share & 
Picture Server v1.1 iOS mobile web-application.
The command injection bug allows remote attackers to inject local commands via vulnerable system values to compromise 
the mobile service or application.

The local vulnerability is located in the vulnerable `albumname` value. Local attackers are able to inject own 
malicious system specific commands or 
path requests as the albumname value. The injection requires an active sync via `Share My Photos` (wifi) module. The 
execution of the local command 
inject via albumname value on sync occurs in the album dir index list. The security risk of the local command/path 
inject vulnerability is estimated 
as high(-) with a cvss (common vulnerability scoring system) count of 6.1(-).

Exploitation of the command/path inject vulnerability requires a low privileged iOS device account with restricted 
access and no user interaction. 
Successful exploitation of the vulnerability results in unauthorized execution of system specific commands and 
unauthorized path value requests to 
compromise the mobile iOS application or the connected device components.

Request Method(s):
                                [+] Sync [iPhone or iPad]

Vulnerable Input(s):
                                [+] Album (Name)

Vulnerable Parameter(s):
                                [+] albumname (path value)

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

Proof of Concept (PoC):
The local command inject web vulnerability can be exploited by local attackers with low privileged device user account 
and without user interaction.
For security demonstration or to reproduce the web vulnerability follow the provided information and steps below to 

Manually steps to reproduce the vulnerability ...

1. Download and install the My Photo Wifi Share & Picture Server v1.1 iOS mobile web-application > 
2. Start the default photo album app of iOS
3. Create a new album and select some pictures to include for sync
4. Now, the local attacker is able to inject a payload with as local system specific command or path value request
5. After the albumname save the attacker starts the vulnerable My Photo Wifi Share & Picture Server v1.1 iOS mobile 
6. Select the Album with the vulnerable injected command and use the share album function
7. After the click on the share album button the remote attacker is able to request the (localhost:8080) wifi interface 
8. The execution of the injected command via stable value on sync occurs in the album dir index list
9. Successful reproduce of the local command injection web vulnerability! 

PoC: Album(s) Dir Listing

<td><a href='page_1.html'><img src='http://localhost:8080//thumbs/image_1.png&apos; height=150 width=150><br>Page 

Solution - Fix & Patch:
The vulnerability can be patched by a secure parse of the vulnerable album name value & input.
Filter and encode the output index album list to prevent local command injection via phone sync.

Security Risk:
The security risk of the local command inject web vulnerability is estimated as high(-).

Credits & Authors:
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm () evolution-sec com) [www.vulnerability-lab.com]

Disclaimer & Information:
The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all 
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. 
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss 
of business 
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such 
damages. Some 
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing 
may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack 
into databases 
or trade with fraud/stolen material.

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