Webile 1.0.1 Directory Traversal

Webile version 1.0.1 suffers from a directory traversal vulnerability.

SHA-256 | be201e06202d8b7ce2a067fee03f183bf011c8c95cb3b8d3eaaf2175c03b1382

Document Title:
Webile v1.0.1 - Directory Traversal Web Vulnerability

References (Source):

Release Date:

Vulnerability Laboratory ID (VL-ID):

Common Vulnerability Scoring System:

Vulnerability Class:
Directory- or Path-Traversal

Current Estimated Price:
1.000€ - 2.000€

Product & Service Introduction:
Webile, is a local area network cross-platform file management tool based on http protocol. Using the personal mobile phone as a server in
the local area network, browsing mobile phone files, uploading files, downloading files, playing videos, browsing pictures, transmitting data,
statistics files, displaying performance, etc. No need to connect to the Internet, you can browse files, send data, play videos and other
functions through WiFi LAN or mobile phone hotspot, and no additional data traffic will be generated during data transmission. Support Mac,
Windows, Linux, iOS, Android and other multi-platform operating systems.

(Copy of the Homepage:https://play.google.com/store/apps/details?id=com.wifile.webile&hl=en&gl=US )

Abstract Advisory Information:
The vulnerability laboratory core research team discovered a directory traversal web vulnerability in the Webile v1.0.1 Wifi mobile web application.

Affected Product(s):
Product Owner: Webile
Product: Webile v1.0.1 - (Framework) (Mobile Web-Application)

Vulnerability Disclosure Timeline:
2022-02-06: Researcher Notification & Coordination (Security Researcher)
2022-02-07: Vendor Notification (Security Department)
2022-**-**: Vendor Response/Feedback (Security Department)
2022-**-**: Vendor Fix/Patch (Service Developer Team)
2022-**-**: Security Acknowledgements (Security Department)
2022-10-10: Public Disclosure (Vulnerability Laboratory)

Discovery Status:

Exploitation Technique:

Severity Level:

Authentication Type:
Open Authentication (Anonymous Privileges)

User Interaction:
No User Interaction

Disclosure Type:
Independent Security Research

Technical Details & Description:
A directory traversal web vulnerability has been discovered in the Webile v1.0.1 wifi mobile web application.
The vulnerability allows remote attackers to change the application path in performed requests to compromise the
local application or file-system of a mobile device. Attackers are for example able to request environment
variables or a sensitive system path.

The directory-traversal web vulnerability is located in the insecure web-server configuration. The path of the local user is not
secure restricted and validated. Thus allows an unauthenticated user with wifi access to request local web-server files without
secure permission. The bug itself is located in the filepath parameter of the change_upload_dir function.

Exploitation of the directory traversal web vulnerability requires no privileged web-application user account or user interaction.
Successful exploitation of the vulnerability results in information leaking by unauthorized file access and mobile application compromise.

Proof of Concept (PoC):
The directory traversal web vulnerability can be exploited by remote attackers without user account or user interaction.
For security demonstration or to reproduce the web vulnerability follow the provided information and steps below to continue.

PoC: Exploitation

--- PoC Session Logs ---
Host: localhost:8080
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Connection: keep-alive
Cookie: treeview=0; sessionId=b21814d80862de9a06b7086cc737dae6
Upgrade-Insecure-Requests: 1
GET: HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Content-Encoding: gzip
Transfer-Encoding: chunked

--- FS Session Logs ---
File name

Security Risk:
The security risk of the directory traversal web vulnerability in the mobile web application is estimated as high.

Credits & Authors:
Vulnerability-Lab [Research Team] -https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab

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