KPMG-2002021: Resin Large Parameter Denial of Service

[Peter Gründl <pgrundl () kpmg dk>]

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Title: Resin Large Parameter Denial of Service

BUG-ID: 2002021
Released: 17th Jun 2002
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Problem:
========
It is possible for a malicious user to cause a Denial of Service
by requesting certain malformed URLs from the Resin web server.


Vulnerable:
===========
- Resin 2.1.1 standalone on Windows 2000 Server


Not Vulnerable:
===============
- Resin 2.1.2 standalone on Windows 2000 Server


Details:
========
By defining large variables when accessing non-existant ressources,
it is possible to consume the entire workspace on the server. This
will result in hanging parts of or the entire web server.


Vendor URL:
===========
You can visit the vendor webpage here: http://www.caucho.com


Vendor Response:
================
This was reported to the vendor on the 22nd of May, 2002. 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/


Author: Peter Gründl (pgrundl () kpmg dk)

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