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Document Title:
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===============
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Phone Drive Eightythree 4.1.1 iOS - Multiple Vulnerabilities
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References (Source):
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====================
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http://www.vulnerability-lab.com/get_content.php?id=1168
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Release Date:
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=============
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2013-12-11
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Vulnerability Laboratory ID (VL-ID):
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====================================
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1168
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Common Vulnerability Scoring System:
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====================================
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7.6
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Product & Service Introduction:
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===============================
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Phone Drive allows you to store, view and manage files on your iPhone or iPad. You can connect to Phone Drive from any Mac or
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PC over the Wi-Fi network and transfer files by drag & drop files straight from the Finder or Windows Explorer. Phone Drive
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features document viewer, PDF reader, music player, image viewer, voice recorder, text editor, file manager and support most
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of the file operations: like delete, move, copy, email, share, zip, unzip and more.
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(Copy of the Homepage: https://itunes.apple.com/de/app/phone-drive/id431033044 )
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Abstract Advisory Information:
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==============================
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The Vulnerability Laboratory Research Team discovered multiple web vulnerabilities in the official Eigthythree Phone Drive v4.1.1 iOS mobile application.
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Vulnerability Disclosure Timeline:
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==================================
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2013-12-11: 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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Eightythree Technologies
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Product: Phone Drive - Mobile Application 4.1.1
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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 command/path injection web vulnerability has been discovered in the Eigthythree Phone Drive v4.1.1 mobile application for apple iOS.
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The remote web vulnerability allows to inject local commands via vulnerable system values to compromise the apple iOS mobile web-application.
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The vulnerability is located in the in the device name value of the index and sub category list module. Local attackers are
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able to inject own script codes as iOS device name. The execute of the injected script code occurs with persistent attack vector
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in the header section of the web interface. The security risk of the command/path inject vulnerabilities are estimated as high
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with a cvss (common vulnerability scoring system) count of 7.0(+)|(-)7.1.
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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 in unauthorized execute of system specific
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commands or unauthorized path requests.
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Request Method(s):
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[+] [GET]
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Vulnerable Parameter(s):
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[+] devicename
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Affected Module(s):
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[+] Index File Dir List - [Header]
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1.2
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A local file/path include web vulnerability has been discovered in the Eigthythree Phone Drive v4.1.1 mobile application for apple iOS.
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The file include vulnerability allows remote attackers to include (upload) local file or path requests to compromise the web-application.
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The remote file include web vulnerability is located in the vulnerable filename value of the file dir list index module (web interface).
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Remote attackers can manipulate the filename value in the POST method request of the file upload form to compromise the mobile application.
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Remote attackers are able to include own local files by usage of the file upload module. The attack vector is persistent and the request
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method is POST. The file include execute occcurs in the main file dir index list. The security risk of the local file include web
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vulnerability is estimated as high(+) with a cvss (common vulnerability scoring system) count of 8.8(+).
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Exploitation of the local file include web vulnerability requires no user interaction or privileged web-application user account with password.
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Successful exploitation of the local web vulnerability results in application or device compromise by unauthorized local file include attacks.
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Request Method(s):
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[+] [POST]
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Vulnerable Module(s):
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[+] File Upload
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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 Listing (http://localhost:80)
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1.3
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An arbitrary file upload web vulnerability has been discovered in the Eigthythree Phone Drive v4.1.1 mobile application for apple iOS.
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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 module. Remote attackers are able to upload a php or js web-shells by a rename of the file with
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multiple extensions to bypass the file restriction mechanism. The attacker uploads for example a web-shell with the following name and extension
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`image.jpg.gif.js.php.jpg`. After the upload the attacker needs to open the file in the web application. He deletes the .jpg & . gif file
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extension and can access the application with elevated access rights. The security risk of the arbitrary file upload web vulnerability is
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estimated as high with a cvss (common vulnerability scoring system) count of 6.6(+).
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Exploitation of the arbitrary file upload web vulnerability requires no user interaction or privilege 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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[+] File Upload
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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 Listing (http://localhost:80)
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1.4
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A persistent input validation web vulnerability has been discovered in the Eigthythree Phone Drive v4.1.1 mobile application for apple iOS.
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The (persistent) vulnerability allows remote attacker to inject own malicious script code on the application-side of the mobile application.
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The persistent input validation vulnerability is located in the foldername (path) value of the folder/path create web-application module.
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Remote attackers can inject own malicious script codes as payload to the create folder (path) input field. After the client-side inject
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in the POSt method request the payload will be saved and the vector turns into a persistent attack. The persistent execute occurs in the
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file dir index- or sub category folder list (http://localhost:8080). Attacker can also inject the script code by the rename of an
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exsisting issue. The second execute occurs in the delete notification popup box of the item index list. The security risk of the persistent
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input validation web vulnerability is estimated as medium(+) with a cvss (common vulnerability scoring system) count of 3.9(+).
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Exploitation of the persistent input validation web vulnerability requires no privileged mobile application user account but low or medium
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user interaction. Successful exploitation of the persistent vulnerability results in persistent session hijacking (customers) attacks, account
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steal via persistent web attacks, persistent phishing or persistent manipulation of vulnerable module context.
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Request Method(s):
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[+] [POST]
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Vulnerable Input(s):
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[+] Create Folder
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Vulnerable Parameter(s):
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[+] foldername (path)
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Affected Module(s):
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[+] Index File Dir Listing (http://localhost:80)
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Proof of Concept (PoC):
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=======================
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1.1
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The local command inject web vulnerability can be exploited by local attackers with physical restricted device access and without user interaction.
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For security demonstration or to reproduce the vulnerability follow the provided information and steps below.
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PoC: DeviceName - Index File Dir List
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<tr>
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<td><a href="http://localhost:80/"><img src="Phone%20Drive%20-%20devicename_files/webicon.png" id="headerImg" height="57" width="57"></a></td>
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<td><h2>device bkm>"<<>"<../[LOCAL COMMAND/PATH INJECT WEB VULNERABILITY!]"></h2></td>
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<td width="170" align="center"><a
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href="http://www.eightythreetech.com" target="_blank"><img
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src="/webroot/moreapps.png"/></a></td>
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</tr>
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</table>
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1.2
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The local file include web vulnerability can be exploited by remote attackers without privileged web-application user account and user interaction.
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For security demonstration or to reproduce the web vulnerability follow the provided information and steps below.
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PoC:
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<tr class="c"><td class="e"><input name="selection" value="[LOCAL FILE INCLUDE VULNERABILITY!]" type="checkbox"></td>
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<td class="i"><a href="Help.webarchive"><img src="/webroot/fileicons/webarchive.png" height="20"
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width="20"></a></td><td class="n"><a href="[LOCAL FILE INCLUDE VULNERABILITY!]">[LOCAL FILE INCLUDE VULNERABILITY!]</a></td><td class="m">
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17.09.2015 18:07</td><td class="s">24.7 KB</td><td class="k">Safari Web Archive</td><td class="e">
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<a href="#" title="Download file" onclick="downloadFile("[LOCAL FILE INCLUDE VULNERABILITY!]");">
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<img src="/webroot/webdownload.png" height="15" width="15"></a></td><td class="e"><a href="#"
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title="Rename file" onclick="modalPopup("Help.webarchive", 0, 1);">
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<img src="/webroot/webrename.png" height="15" width="15"></a></td><td class="e">
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<a href="#" title="Delete file" onclick="modalPopup("Help.webarchive", 2, 1);">
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<img src="/webroot/webdelete.png" height="15" width="15"></a></td></tr>
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1.3
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The arbitrary file upload and restricted upload bypass web vulnerability can be exploited by remote attackers without user interaction
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or privileged web-application user account. For security demonstration or to reproduce the vulnerability follow the provided information
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and steps below.
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PoC Session Logs: qqfile
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Status: 200 OK
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POST http://localhost:80/qqfile=arbitrary-file-upload.png.txt.iso.js.html.php.jpg
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Load Flags[LOAD_BYPASS_CACHE ]
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Content Size[unknown] Mime Type[unknown]
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Request Headers:
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Host[192.168.2.106]
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User-Agent[Mozilla/5.0 (Windows NT 6.1; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0]
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Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
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Accept-Language[en-US,en;q=0.5]
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Accept-Encoding[gzip, deflate]
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DNT[1]
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X-Requested-With[XMLHttpRequest]
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X-File-Name[arbitrary-file-upload.png.txt.iso.js.html.php.jpg]
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Content-Type[application/octet-stream]
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Referer[http://192.168.2.106/]
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Content-Length[98139]
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Post Data:
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POST_DATA[‰PNG
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1.4
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The persistent input validation web vulnerability can be exploited by remote attackers without privileged web application user account
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and low user interaction. For security demonstration or to reproduce the vulnerability follow the provided information and steps below.
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PoC: Creat Folder - Index File Dir List & Sub Category List
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<tr class="c"><td class="e"><input name="selection"
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value="%3E%22%3Cx%20src=a%3E" type="checkbox"></td><td class="i">
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<a href="http://localhost/%3E%22%3Ciframe%20src=a%3E/"><img src="Phone%20Drive%20-%20pathname_files/folder.png"
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height="20" width="20"></a></td><td class="n"><a href="http://localhost/%3E%22%3Cx%3E/">
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>"<[PERSISTENT INJECTED SCRIPT CODE!]"></a></td><td
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class="m">11.12.2013 13:29</td><td
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Solution - Fix & Patch:
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=======================
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1.1
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The first vulnerability can be patched by a secure encode of the devicename value in the ehader section of the index module.
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1.2 - 1.3
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Restrict the filename input and parse the context with a filter mechanism. Disallow multiple file extensions and implement
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a own exception-handling to prevent arbitrary file uploads or restricted file uploads.
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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 command inject web vulnerability is estimated as high(-).
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1.2 - 1.3
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The security risk of the local file include web vulnerability via file and folder name value 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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Copyright © 2013 | 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 |