Date: Fri, 07 Jan 2000 00:35:31 +0800 From: Peter Wemm <peter@netplex.com.au> To: Dag-Erling Smorgrav <des@flood.ping.uio.no> Cc: Brian Fundakowski Feldman <green@FreeBSD.ORG>, security@FreeBSD.ORG Subject: Re: OpenSSH protocol 1.6 proposal Message-ID: <20000106163531.1A79D1CA0@overcee.netplex.com.au> In-Reply-To: Message from Dag-Erling Smorgrav <des@flood.ping.uio.no> of "06 Jan 2000 14:50:39 %2B0100." <xzpu2krs40g.fsf@flood.ping.uio.no>
next in thread | previous in thread | raw e-mail | index | archive | help
Dag-Erling Smorgrav wrote: > Brian Fundakowski Feldman <green@FreeBSD.ORG> writes: > > I've been thinking what the best way to make OpenSSH more secure would be, > > and now it seems to be a change in the protocol. What change? Well, > > SSH version 1.5 and below (all versions so far) have been vulnerable to > > attacks based upon properties of the highly insecure CRC32 hash used. > > Which part of "ssh 1.2.25 fixes the problem" did you not understand? Well, the 'crc compensation attack detection' is an *attempt* to detect likely insertion attacks. It would be far better to not have to try and detect hints of this this and to *know* if it was valid or not without a doubt. Cheers, -Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20000106163531.1A79D1CA0>