[8344] in bugtraq
Re: Sendmail, lynx, Netscape, sshd, Linux kernel (twice)
daemon@ATHENA.MIT.EDU (Nick Andrew)
Fri Oct 30 14:51:39 1998
Date: Thu, 29 Oct 1998 12:07:35 +1100
Reply-To: nick@ZETA.ORG.AU
From: Nick Andrew <nick@ZETA.ORG.AU>
To: BUGTRAQ@NETSPACE.ORG
In-Reply-To: Your message of "Sun, 06 Sep 1998 00:53:24 +0200."
<Pine.LNX.4.00.9809060047320.1137-100000@lcamtuf.ids.pl>
In message <Pine.LNX.4.00.9809060047320.1137-100000@lcamtuf.ids.pl>, Michal Zal
ewski writes:
>Sendmail x.x.x DoS
>------------------
>
>Take a look at this piece of code (src/daemon.c):
>
> t = accept(DaemonSocket,
> (struct sockaddr *)&RealHostAddr, &lotherend);
> if (t >= 0 || errno != EINTR)
> break;
Err, yeah. When I fixed that bug, I used:
if (t >= 0 || (errno != EINTR && errno != ENETUNREACH &&
errno != EHOSTUNREACH))
That cured the intermittent unavailability which I was experiencing (due to
lusers, not Skript |<iddies).
Nick.
