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TUCoPS :: Windows :: win5110.htm

XP denial of service (100% CPU)
19th Feb 2002 [SBWID-5110]

	XP denial of service (100% CPU)


	Windows XP default installation


	NtWaK0 [] found following :

	TCP/UDP port 445 is open by default on a Fresh  installed  XP  box.  The
	attack is serious since it work remotly and can make the CPU  100  %  in
	less then 20 Second.

	If an attacker target your Windows XP port 445  TCP  with  some  special
	crafted packed [SYN Flag Set] they can cause 100 CPU  %  utilisation  in
	less then 20 Second. The speed while sending the packet was 20 K  upload
	sometime less then 18 K [Based on DU-Meter].



	Nothing yet. Filter port 445.

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