[NEWS] Brinkster Web Hosting Protected File Retrieval

From: support@securiteam.com
Date: 07/12/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Fri, 12 Jul 2002 08:18:29 +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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  Brinkster Web Hosting Protected File Retrieval
------------------------------------------------------------------------

SUMMARY

 <http://www.brinkster.com/> Brinkster is a very popular web-hosting
server. Netcrash Security was previously hosted at Brinkster. The module
used to protect remote users from downloading files that were not linked
from the page can be bypassed. By appending a null char to the end of the
file, a remote user can bypass the filter and successfully download the
file without being referred from the site.

DETAILS

Exploit:
http://wwwXX.brinkster.com/foo/bar.zip%00

Workaround:
Store protected files at a temporary location until Brinkster fixes this
vulnerability.

Vendor Status:
Vendor has been contacted.

ADDITIONAL INFORMATION

The information has been provided by p0p t4rtz.

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