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                  Defcom Labs Advisory def-2001-11

                  MDaemon 3.5.4 Dos-Device DoS

Author: Peter Gründl <peter.grundldefcom.com>
Release Date: 2001-03-15
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------------------------=[Brief Description]=-------------------------
Webservices in the Mdaemon package can be crashed by requesting a
malicious URL.

------------------------=[Affected Systems]=--------------------------
- MDaemon 3.5.4 Standard for Windows NT/2000
- MDaemon 3.5.4 Pro for Windows NT/2000

----------------------=[Detailed Description]=------------------------
There is a problem with the way the Worldclient (default port 3000)
and the Webconfig service (default port 3001) handle requests for dos-
devices.

If a user requests eg. "http://www.foo.org:3000/aux", the Worldclient
service will crash. The same fault affects the Webconfig service.
The service needs to be restarted from the Mdaemon console.

---------------------------=[Workaround]=-----------------------------
Upgrade to MDaemon 3.5.6:
http://mdaemon.deerfield.com/download/getmdaemon.cfm

-------------------------=[Vendor Response]=--------------------------
This issue was brought to the vendor's attention on the 3rd of March,
2001 and the vendor released a patch on the 9th of March, 2001.

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              labsdefcom.com www.defcom.com
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