VU#464113 - TCP/IP implementations handle unusual flag combinations inconsistently

Thu Mar 20 17:45:12 UTC 2003

Hello,

This may be old news to many, but I wanted to follow-up to the message I 
sent last October on this subject:

<http://www.merit.edu/mail.archives/nanog/2002-10/msg00519.html>

We have now published information about this issue here:

<http://www.kb.cert.org/vuls/id/464113>

We also have a few reports of possible exploitation. 

If you have feedback, please send mail to cert at cert.org with VU#464113 in 
the subject header. 

Thanks to the NANOG community for prior feedback on this issue.

Regards,
Ian

Ian Finlay
Internet Systems Security Analyst - CERT/CC Operations 
Networked Systems Survivability Program
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