TCP Sequence-Prediction (4.5-PRE)

Joe Clarke marcus at marcuscom.com
Fri Sep 24 08:50:14 PDT 2004


On Thu, 2002-01-03 at 15:59, Matthias Schuendehuette wrote:
> Hello,
> 
> my machine at work was scanned with the ISS Scanner, Vers. 6.2.1 and it 
> complained about TCP Sequence Prediction:
> 
> 'The TCP sequence was found to be predictable.'
> 
> I was advised to install FreeBSD 4.1.1-STABLE after 2000-09-28 or later 
> :-) as listed in FreBSD-SA-00:52.
> 
> I looked at the published Patch in FreBSD-SA-00:52 but couldn't find 
> the Sourcecode Sequence to be patched any more (I wasn't wondering).
> 
> But so, what shall I do, who's to blame? Is the ISS lying? Is there any 
> advice from the FreeBSD Security Officer or the developers how to 
> proceed further?

Is this what you're looking for:

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/patches/SA-00%3A52/tcp-iss.patch

Joe

> 
> TIA - Matthias
> 
> -- 
> ***************************************************************************
> * Matthias Schuendehuette	msch at snafu.de	      	 		  *
> * Solmsstrasse 44							  *
> * D-10961 Berlin		Engineering Systems Support and Operation *
> * Germany		      	(Powered by FreeBSD 4.5-PRERELEASE)   	  *
> ***************************************************************************
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