[8404] in bugtraq
Re: Sendmail, lynx, Netscape, sshd, Linux kernel (twice)
daemon@ATHENA.MIT.EDU (Alan Cox)
Wed Nov 4 16:49:33 1998
Date: Tue, 3 Nov 1998 19:18:27 +0000
Reply-To: Alan Cox <alan@LXORGUK.UKUU.ORG.UK>
From: Alan Cox <alan@LXORGUK.UKUU.ORG.UK>
X-To: wietse@PORCUPINE.ORG
To: BUGTRAQ@NETSPACE.ORG
In-Reply-To: <19981101022409.C7A63458B7@spike.porcupine.org> from "Wietse
Venema" at Oct 31, 98 09:24:09 pm
> This attack is specific to LINUX. On UNIX systems with a BSD TCP/IP
> protocol stack, the accept() call does not return until the three-way
> handshake completes.
>
> Please do not blame Sendmail for every problem in the world.
The fact the sendmail people have been aware of this for over 2 years
and refused to consider putting a Linux case in for existing Linux
installations speaks volumes however. And yes Linux 2.1.x matches
BSD behaviour here.
Alan, still waiting for POSIX to finish standardising the socket API.