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Bugtraq: Re: denial of service attack possible

Re: denial of service attack possible

From: Jim Shankland <jas_at_flyingfox.COM>
Date: Fri, 27 Oct 1995 10:17:01 -0700

[Denial of service possible by remote host putting multiple connections
to a port into the SYN_RCVD state, thereby precluding further
(legitimate) connection attempts.]

It's even worse. The same thing was done deliberately by Kevin Mitnick
during his packet-spoofing attack on Shimomura's machines in San Diego.
Mitnick put lots of connections into the SYN_RCVD state on machine A,
thereby "jamming" machine A and preventing it from interfering
(by sending RST packets) with his attack on machine B, impersonating
machine A.

Jim Shankland
Flying Fox Computer Systems, Inc.
Received on Oct 27 1995

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