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A vulnerability exists in the Microsoft Windows implementation of NetBIOS in Windows 95, 98, NT, 2000. Remote users can insert and flush dynamic cache entries and overwrite static entries. This enables a malicious user to change the IP address assigned to a NetBIOS Name. A workaround is to block TCP and UDP ports 135-139 and 445 on your firewall or router.
Unfortunately, @Home cable modem uses UDP ports 137-139.
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This security notice was derived from the SecuritySearch.Net Vulnerability Report. To subscribe to this newsletter send an e-mail to vreport@xxxxxxxxxxxxxxxxxx with the word "subscribe" in the message body.
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Regards,
Mark Jurik
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