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526 B
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5 lines
No EOL
526 B
Text
source: https://www.securityfocus.com/bid/1415/info
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Sending a stream of binary zeros to any one of a number of Windows 2000 ports can cause 100% CPU utilization. The ports that were found vulnerable include TCP ports 7, 9, 21, 23, 7778 and UDP ports 53, 67, 68, 135, 137, 500, 1812, 1813, 2535, 3456.
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This can easily be reproduced from a Linux system using netcat with an input of /dev/zero, with a command such as "nc target.host 7 < /dev/zero" for the TCP variant or "nc -u target.host 53 < /dev/zero" for the UDP variant. |