[NT] Resin DOS device Denial of Service

From: support@securiteam.com
Date: 06/17/02


From: support@securiteam.com
To: list@securiteam.com
Date: Mon, 17 Jun 2002 20:45:28 +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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  Resin DOS device Denial of Service
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SUMMARY

It is possible for a malicious user to cause a Denial of Service by
requesting certain malformed URLs from the Resin web server.

DETAILS

Vulnerable systems:
 * Resin 2.1.1 standalone on Windows 2000 Server

Immune systems:
 * Resin 2.1.2 standalone on Windows 2000 Server

Requesting the DOS device "con" with a registered extension (e.g. .JSP or
XTP) will tie up a working thread. If a malicious user requests about 150
of these, the web server will no longer service http requests.

Vendor Response:
This was reported to the vendor on the 23rd of May, 2002. On the 28th of
May, 2002 the vendor released a new snapshot (beta) that corrected the
issue. On the 11th of June, 2002 the vendor released a new version that
corrects the issue.

Corrective action:
Upgrade to version 2.1.2 available from:
<http://www.caucho.com/download/> http://www.caucho.com/download/

ADDITIONAL INFORMATION

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

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