Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 22 Oct 1996 13:15:53 +0200
From:      Lutz Albers <lutz@muc.de>
To:        Steve Reid <steve@edmweb.com>
Cc:        security@freebsd.org
Subject:   Re: [bugtraq] Serious Linux Security Bug
Message-ID:  <v03007802ae925cb8a72c@[192.168.42.51]>
In-Reply-To: <Pine.BSF.3.91.961021134926.189B-100000@bitbucket.edmweb.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Steve Reid wrote on 21.10.1996
  [bugtraq] Serious Linux Security Bug


>There is no mention of the attack working against *BSD machines except for
>one person running FreeBSD 2.1.5 who reported that his Intel EtherExpress
>card stopped working for a couple of minutes.
>
>The attack is simple. From a Win95 box,
>ping -l 65510 buggyhost
>and it can crash or reboot some OSs. Very nasty.
>
>Has anyone checked the FreeBSD kernel to make sure that we're not
>vulnerable?

Just tried it from one 2.1.5R machine to another (source using a 3COM509
(ep0), target using a SMC Elite 16C (ed0)) with no problems. It did take
some time for the source machine preparing the ICMP request (machine crawls
with all caches disabled :-(

lutz


---------------------------------------------------------------------
Lutz Albers                                     |       What's good ?
Luederitzstr. 14, 81929-Muenchen, Germany       |      Life's good -
<mailto:lutz@muc.de>       ph: +49-89-93940363  | But not fair at all
<http://www.muc.de/~lutz>;  fax:+49-89-93940365  |          (Lou Reed)

Do not take life too seriously, you will never get out of it alive.





Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?v03007802ae925cb8a72c>