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Date:      Fri, 14 Aug 1998 13:03:18 -0400 (EDT)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        Satya Palani <satya@longshadows.com>
Cc:        security@FreeBSD.ORG
Subject:   Re: Sendmail greeting
Message-ID:  <199808141703.NAA05937@khavrinen.lcs.mit.edu>
In-Reply-To: <Pine.NEB.3.96.980814093553.22336A-100000@ns1.netcorps.com>
References:  <199808140111.VAA02156@khavrinen.lcs.mit.edu> <Pine.NEB.3.96.980814093553.22336A-100000@ns1.netcorps.com>

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<<On Fri, 14 Aug 1998 09:40:32 -0700 (PDT), Satya Palani <satya@longshadows.com> said:

>> 220 khavrinen.lcs.mit.edu ESMTP server ready at Thu, 13 Aug 1998 21:10:03 -0400 (EDT)
>> 
>> ...which doesn't leak any version information at all.


> Of course, the version number is still being broadcast through the
> headers.  Take this message, for example:

That doesn't bother me -- the attacker would have to find mail
messages from me, which were archived without the usual header
stripping.  `mscan' doesn't know how to do this -- it might learn how
to exploit future sendmail flaws.

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick

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