Re: Fragmentation DoS?

From: Juri Haberland (juri@koschikode.com)
Date: Fri Oct 25 2002 - 10:42:07 EST


In article <200210191918.g9JJICT3032735@sh.7501.net> you wrote:
> To whom this may concern:
>
> It seems that when I run fragrouter-1.7 with a combination of
> -F3, -F4, -F5, and -T7 options, my linux kernel 2.4.18 will
> crash. I've tested this with fragrouter's 1.6 and 1.5, but have
> not yet been able to crash my kernel. To crash my 2.4.18 remotely
> with fragrouter 1.7 it usually takes about 15-20 tries. Maybe there
> is some sort of race condition occuring? I have also tried to
> crash my linux 2.2.x series kernals but have failed.
>
> Here are the sources I have been testing with:
> www.anzen.com/archive/research/fragrouter-1.7.tar.gz
> www.anzen.com/archive/research/fragrouter-1.6.tar.gz

You did read http://online.securityfocus.com/archive/1/296407 , did you?

Fragrouter-1.7 is a trojan!

Regards,
Juri

-- 
Juri Haberland  <juri@koschikode.com> 

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