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Document Title:
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===============
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PhotoWIFI Lite v1.0 iOS - Multiple Web Vulnerabilities
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References (Source):
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====================
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http://www.vulnerability-lab.com/get_content.php?id=1239
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Release Date:
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=============
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2014-03-27
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Vulnerability Laboratory ID (VL-ID):
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====================================
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1239
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Common Vulnerability Scoring System:
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====================================
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6.7
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Product & Service Introduction:
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===============================
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Share photos and files through WIFI. This app will let you transfer images easily in both directions, iPhone-to-Mac and Mac-to-iPhone.
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This app runs on iPhone, iPad and iPod, and you can share with a Mac or a PC as well. Photo Uploading to Facebook is also possible.
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(Copy of the Homepage: https://itunes.apple.com/us/app/wifi-photos-files-transfer/id436339474 )
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Abstract Advisory Information:
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==============================
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The Vulnerability Laboratory Research Team discovered multiple vulnerabilities in the official PhotoWIFI Lite or WIFI Photo and Files Transfer v1.0 iOS mobile web-application.
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Vulnerability Disclosure Timeline:
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==================================
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2014-03-27: 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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TapCoder
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Product: PhotoWIFI Lite & PRO - iOS Mobile Web Application 1.0
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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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1.1
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A local file include web vulnerability has been discovered in the official PhotoWIFI Lite or WIFI Photo and Files Transfer v1.0 iOS mobile web-application.
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A file include web vulnerability allows remote attackers to unauthorized include local file/path requests or system specific path commands
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to compromise the web-application or mobile device.
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The local vulnerability is located in the `filename` value of the `Upload File` module. Remote attackers are able to inject own files with
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malicious `filename` value in the upload POST method request to compromise the mobile web-application. The attack vector is persistent and
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the request method to inject is POST. The local file/path include execution occcurs in the index file dir listing. The security risk of the
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local file include web vulnerability is estimated as high(+) with a cvss (common vulnerability scoring system) count of 6.4(+)|(-)6.5.
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Exploitation of the local file include web vulnerability requires no user interaction but a privileged web-application user account with low user
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auth. Successful exploitation of the local file include web vulnerability results in mobile application or connected device component 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 File > Submit
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Vulnerable Parameter(s):
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[+] filename
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Affected Module(s):
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[+] Index File Dir List (http://localhost:85***/)
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1.2
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An arbitrary file upload web vulnerability has been discovered in the official PhotoWIFI Lite or WIFI Photo and Files Transfer v1.0 iOS mobile web-application.
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The arbitrary file upload issue allows remote attackers to upload files with multiple extensions to bypass the web-server or system validation.
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The vulnerability is located in the `Upload File` > submit module. Remote attackers are able to upload a php or js web-shells by renaming
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the file with multiple extensions to bypass the file restriction mechanism. The attacker uploads for example a web-shell with the following name
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and extension `ptest.jpg.html.php.js.aspx.jpg`. After the upload the attacker needs to open the file with the path value in the web application.
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He deletes the .jpg file extension and can access the application with elevated executable access rights. To access the file with elevated
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executable access rights the attacker needs to implement the local raw upload path of the application. The security risk of the arbitrary file
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upload web vulnerability is estimated as high(+) with a cvss (common vulnerability scoring system) count of 6.6(+)|(-)6.7.
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Exploitation of the arbitrary file upload web vulnerability requires no user interaction or privileged application user account with password.
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Successful exploitation of the vulnerability results in unauthorized file access because of a compromise after the upload of web-shells.
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Request Method(s):
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[+] [POST]
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Vulnerable Module(s):
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[+] Upload File > Submit
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Vulnerable Parameter(s):
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[+] filename (multiple extensions)
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Affected Module(s):
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[+] Index File Dir List (http://localhost:85***/)
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1.3
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A local command/path injection web vulnerability has been discovered in the official PhotoWIFI Lite or WIFI Photo and Files Transfer v1.0 iOS mobile web-application.
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The vulnerability allows to inject local commands via vulnerable system values to compromise the apple mobile iOS application.
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The vulnerability is located in the vulnerable `devicename` value of the wireless transfer app index header location module.
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Local attackers with physical device access are able to manipulate the iOS `devicename` to compromise the affected header
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location context in the file dir index list. The execution of the injected command/path request occurs in the all wifi
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interface sites with implemented devicename in the header location. The request method to inject system specific commands via
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the vulnerable devicename value is a local sync via (apple - ios) device.The security risk of the command/path inject
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vulnerability is estimated as high(-) with a cvss (common vulnerability scoring system) count of 6.6(-).
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Exploitation of the command/path inject vulnerability requires a local low privileged iOS device account with restricted access
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and no direct user interaction. Successful exploitation of the vulnerability results unauthorized execution of system specific
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commands or unauthorized path requests.
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Request Method(s):
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[+] [SYNC]
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Vulnerable Parameter(s):
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[+] devicename
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Affected Module(s):
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[+] Header Location - Index File Dir List (http://localhost:85***/)
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Proof of Concept (PoC):
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=======================
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1.1
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The local file include web vulnerability can be exploited by local attackers with low user interaction and with low privileged web-interface account.
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For security demonstration or to reproduce the security vulnerability follow the provided information and steps below to continue.
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PoC: Index File Dir Listing < filename
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<p>Pick an image on iPhone (or iPad) and click: <a href="">Refresh</a><br></p><table border="0" cellpadding="5"
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cellspacing="0"><tbody><tr bgcolor="#999999"><td><a href="<./[LOCAL FILE INCLUDE VULNERABILITY!]">.png"><./[LOCAL FILE INCLUDE VULNERABILITY!]">.png</a></td>
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--- PoC Session Logs [POST] ---
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Status: 200[OK]
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POST http://localhost:52789/ Load Flags[VALIDATE_ALWAYS LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Gr<47><72>e des Inhalts[unknown] Mime Type[unknown]
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Request Header:
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Host[localhost:52789]
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User-Agent
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[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,
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deflate]
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Referer[http://localhost:52789/]
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POST-Daten:
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POST_DATA[-----------------------------55143247013257
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Content-Disposition: form-data; name="file"; filename="./[LOCAL FILE INCLUDE VULNERABILITY!]".png"
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Content-Type: image/png
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1.2
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The arbitrary file upload web vulnerability can be exploited by local attackers without user interaction or privileged application user account.
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For security demonstration or to reproduce the file upload web vulnerability follow the provided information and steps below to continue.
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PoC: Index File Dir Listing < filename
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<p>Pick an image on iPhone (or iPad) and click: <a href="">Refresh</a><br></p><table border="0" cellpadding="5"
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cellspacing="0"><tbody><tr bgcolor="#999999"><td><a href="test.jpg.html.php.asp.html.jpg[ARBITRARY FILE UPLOAD VULNERABILITY!]">
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test.jpg.html.php.asp.html.jpg.png[ARBITRARY FILE UPLOAD VULNERABILITY!]</a></td>
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--- PoC Session Logs [POST] ---
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Status: 200[OK]
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POST http://localhost:52789/ Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Gr<47><72>e des Inhalts[1009] Mime Type[application/x-unknown-content-type]
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Request Header:
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Host[localhost:52789]
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User-Agent
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[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,
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deflate]
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Referer[http://localhost:52789/]
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Connection[keep-alive]
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POST-Daten:
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POST_DATA[-----------------------------65831034010479
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Content-Disposition: form-data; name="file"; filename="test.jpg.html.php.asp.html.jpg[ARBITRARY FILE UPLOAD VULNERABILITY!]"
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Content-Type: image/jpeg
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1.3
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The command inject web vulnerability can be exploited by local attackers with low user interaction and low privileged web-application user account.
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For security demonstration or to reproduce the security vulnerability follow the provided information and steps below to continue.
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PoC: Index File Dir Listing > Header Location > Devicename
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Files from IPhone 360*<2A>337[COMMAND INJECTION VULNERABILITY VIA DEVICENAME!]</title><style>html
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{background-color:#eeeeee} body { background-color:#FFFFFF; font-family:Tahoma,Arial,Helvetica,sans-serif; font-size:18x; margin-left:5%;
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margin-right:5%; border:3px groove #006600; padding:15px; } </style></head><body><h1>Files from IPhone 360*<2A>337[COMMAND INJECTION VULNERABILITY VIA DEVICENAME!]</h1>
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Security Risk:
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==============
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1.1
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The security risk of the local file include web vulnerability is estimated as high.
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1.2
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The security risk of the arbitrary file upload web vulnerability is estimated as high.
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1.3
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The security risk of the local command inject web vulnerability via sync is estimated as medium(+)|(-)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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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 |