[NT] Sitespring Server Denial of Service

From: support@securiteam.com
Date: 07/01/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Mon,  1 Jul 2002 21:13:38 +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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  Sitespring Server Denial of Service
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SUMMARY

A malicious user with access to the Sitespring database engine port can
crash both the runtime database engine and the Sitespring web service.

DETAILS

Vulnerable systems:
 * Sitespring version 1.2.0(277.1) using Sybase runtime engine v7.0.2.1480

If the Sybase database engine receives 1077 x chr(2) + \r\n\r\n it
crashes. The web service will crash shortly after the database engine
stops.

Vendor Response:
This was reported to the vendor on 16 April 2002. There is currently no
scheduled patch for this vulnerability. Vendor support for Sitespring is
planned to end May 2004.

Corrective action:
Apply IP filtering to the Sitespring server, so only the local host is
allowed to connect to TCP port 2500.

On Win2000 or WinXP this can be done using the built-in IP filter
functionality.

ADDITIONAL INFORMATION

The information has been provided by <mailto:pgrundl@kpmg.dk> Peter
Gründl.

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