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Document Title:
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===============
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Photo Manager Pro v4.4.0 iOS - File Include Vulnerability
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References (Source):
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====================
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http://www.vulnerability-lab.com/get_content.php?id=1445
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Release Date:
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=============
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2015-03-12
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Vulnerability Laboratory ID (VL-ID):
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====================================
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1445
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Common Vulnerability Scoring System:
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====================================
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6.9
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Product & Service Introduction:
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===============================
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Do you have troubles for managing thousands of photos and videos? Do you have any private photos or videos? Are you looking for a photo portfolio app?
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Photo Manager Pro is exactly you are looking for. Photo Manager Pro is extremely easy to use. TP Transfer: Transfer folders and files between computer
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and device over wifi network. HTTP Transfer: Transfer files between computer and device over wifi network. View photos in the browser. Peer to Peer
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Transfer: Directly transfer files between iPad, iPhone and iPod Touch over wifi network. USB Transfer: Import/Export photos from/to iTunes file sharing.
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Basic Transfer: Import/Export photos from/to the Photos app.
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(Copy of the Vendor Homepage: https://itunes.apple.com/de/app/photo-manager-pro/id393858562 & http://www.linkusnow.com/photomanager/help/ipad/help_main.php )
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Abstract Advisory Information:
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==============================
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The Vulnerability Laboratory Research Team discovered a locla file include vulnerability in the official Linkus Photo Manager Pro v4.4.0 iOS mobile web-application.
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Vulnerability Disclosure Timeline:
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==================================
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2015-03-12: 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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Linkus
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Product: Photo Manager Pro - iOS Mobile Web Application (Wifi) 4.4.0
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Exploitation Technique:
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=======================
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Local
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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 web vulnerability has been discovered in the official Linkus Photo Manager Pro v4.4.0 iOS mobile web-application.
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The local file include web vulnerability allows remote attackers to unauthorized include local file/path requests or system specific path
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commands to compromise the mobile web-application.
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The web vulnerability is located in the `filename` value of the `upload.action` module. Remote attackers are able to inject own files with
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malicious `filename` values in the `upload.action` POST method request to compromise the mobile web-application. The local file/path include
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execution occcurs in the index dir listing of the wifi interface. The attacker is able to inject the local file include request by usage of
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the `wifi interface` in connection with the vulnerable upload service module.
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Remote attackers are also able to exploit the filename validation issue in combination with persistent injected script codes to execute unique
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local malicious attack requests. The attack vector is located on the application-side of the wifi service and the request method to inject is POST.
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To exploit the bug it is required to use the local device > wifi sync or (remote) the wifi gui.
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The security risk of the local file include web vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 6.9.
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Exploitation of the local file include vulnerability requires no user interaction or privileged web-application user account. Successful exploitation
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of the local file include web vulnerability results in mobile application or device 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.action
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Vulnerable Parameter(s):
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[+] filename
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Affected Module(s):
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[+] disp_photo.action
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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 application user account or user interaction.
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For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.
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PoC:
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http://localhost:8080/disp_photo.action?filename=./[LOCAL FILE INCLUDE VULNERABILITY!]2.png
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PoC: Vulnerable Source
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<div id="photo_content">
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<img id="photo" src="disp_photo.action?filename=./[LOCAL FILE INCLUDE VULNERABILITY!]2.png" height="606"></div>
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--- Poc Session Logs [POST] (Inject) ---
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Status: 200[OK]
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POST http://localhost:8080/upload.action?folderID=5 Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Größe des Inhalts[31] 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:35.0) Gecko/20100101 Firefox/35.0]
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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,en-US;q=0.7,en;q=0.3]
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Accept-Encoding[gzip, deflate]
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Referer[http://localhost:8080/upload.html?folderID=5]
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Cookie[isenabledpasscode=false]
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Connection[keep-alive]
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POST-Daten:
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POST_DATA[-----------------------------15932100885119
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Content-Disposition: form-data; name="is_submitted"
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false
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-----------------------------15932100885119
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Content-Disposition: form-data; name="upload_file"; filename="./[LOCAL FILE INCLUDE VULNERABILITY!]2.png"
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Content-Type: image/png
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-
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Status: 200[OK]
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GET http://localhost:8080/upload.html?folderID=5 Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Größe des Inhalts[8085] 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:35.0) Gecko/20100101 Firefox/35.0]
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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,en-US;q=0.7,en;q=0.3]
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Accept-Encoding[gzip, deflate]
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Cookie[isenabledpasscode=false]
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Connection[keep-alive]
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Response Header:
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Accept-Ranges[bytes]
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Content-Length[8085]
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Date[Do., 05 März 2015 20:52:18 GMT]
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Reference(s):
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http://localhost:8080/upload.action?folderID=
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http://localhost:8080/upload.html?folderID=
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http://localhost:8080/disp_photo.action?filename=
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Solution - Fix & Patch:
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=======================
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The vulnerability can be patched by a secure validation of the filename value in the upload POST method request. Restrict the filename input and
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disallow special chars. Ensure that not multiple file extensions are loaded in the filename value to prevent arbitrary file upload attacks.
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Security Risk:
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==============
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The security risk of thelocal file inelcude web vulnerability in the photo manager wifi service is estimated as high. (CVSS 6.9)
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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, either expressed
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or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable
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in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab
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or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for
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consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any vendor licenses,
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policies, deface websites, hack into databases 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. Permission to
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electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other media, are reserved by
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Copyright © 2015 | Vulnerability Laboratory - [Evolution Security GmbH]™
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--
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VULNERABILITY LABORATORY - RESEARCH TEAM
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SERVICE: www.vulnerability-lab.com
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CONTACT: research@vulnerability-lab.com
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