Date: Thu, 8 Sep 2005 00:18:36 +0000 (GMT) From: Nate Nielsen <nielsen-list@memberwebs.com> To: talonz <talonz@gmail.com> Cc: freebsd-security@freebsd.org Subject: Re: ee using 99% cpu after user ssh session terminates abnormaly Message-ID: <20050908001830.6A33270DCDB@mail.npubs.com> References: <431F6941.20006@gmail.com>
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talonz wrote: > Recently i have been using a dialup 56k account to access the net > and have noticed that when my ssh session times out and I am editing > a file in ` ee ' the system goes to 99% cpu usage and stays like > this till the pid is killed. > This is a standard user account (not root/su) This happens all the time on servers I manage. It's a real pain because it's hard to see the actual load of the machine. We have a dumb hack of a script that kill these off when they happen. > Would a user be able to create a denial of service condition > on the remote system using this bug? Don't think so, unless there's a process getting starved somewhere, in which case the DOS would be basically impossible to prevent. Cheers, Nate
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