[5640] in bugtraq

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Re: Linux IP fragment overlap bug

daemon@ATHENA.MIT.EDU (Morbid Dead Guy)
Mon Nov 17 13:28:02 1997

Date: 	Sun, 16 Nov 1997 14:29:40 -0500
Reply-To: Morbid Dead Guy <bingm@STREAM.CSIS.GVSU.EDU>
From: Morbid Dead Guy <bingm@STREAM.CSIS.GVSU.EDU>
X-To:         David LeBlanc <dleblanc@MINDSPRING.COM>
To: BUGTRAQ@NETSPACE.ORG
In-Reply-To:  <3.0.3.32.19971114225231.00adb7c0@mindspring.com>

> It may be the previous icmp-fix (ssping) that fixes the problem.  Oddly
> enough, NT with no patches at all isn't vulnerable to this.  I haven't
> quite sorted out exactly where the problem starts and stops, but I do know
> no patches and full patches aren't bothered by it.

This may not be completely true. I've reproduced the attack against an NT
Server 4.0 without any patches. I expected a blue-screen ala OOB attack,
but instead the machine just locked. On two different Linux machines
(2.0.0 and 2.0.31), the attack caused a reboot.

      -matt-

       http://rainbow.csis.gvsu.edu/electric
        pgp:finger bingm@bass.csis.gvsu.edu
            mailto:bingm@csis.gvsu.edu

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