Date: Wed, 22 Jul 1998 00:51:19 -0700 From: David Greenman <dg@root.com> To: Brett Glass <brett@lariat.org> Cc: Jim Shankland <jas@flyingfox.com>, ahd@kew.com, leec@adam.adonai.net, security@FreeBSD.ORG Subject: Re: hacked and don't know why Message-ID: <199807220751.AAA27286@implode.root.com> In-Reply-To: Your message of "Wed, 22 Jul 1998 00:13:29 MDT." <199807220613.AAA26581@lariat.lariat.org>
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>The symptoms aren't hard to understand. As I found out when we >were hit by the same hack, buffer overflow exploits also >hose memory.... The disk cache, kernel data, possibly even page tables >can be corrupted. Nothing's safe. If you do anything to your file >system before rebooting, you can wind up with corrupted directories >and worse. This happened to us. Um, sorry, but that is not true. Buffer overflows only affect the process; they do not affect the kernel. If you had corrupted directories or other filesystem problems, then you either have hardware problems or you experianced a very bizzare and unknown bug. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe security" in the body of the message
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