A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Security Implications of IPv6 options of Type 10xxxxxx
Author(s) : Fernando Gont
Will Liu
Filename : draft-gont-6man-ipv6-smurf-amplifier-01.txt
Pages : 9
Date : 2013-01-11
Abstract:
When an IPv6 node processing an IPv6 packet does not support an IPv6
option whose two-highest-order bits of the Option Type are '10', it
is required to respond with an ICMPv6 Parameter Problem error
message, even if the Destination Address of the packet was a
multicast address. This feature provides an amplification vector,
opening the door to an IPv6 version of the 'Smurf' Denial-of-Service
(DoS) attack found in IPv4 networks. This document discusses the
security implications of the aforementioned options, and formally
updates RFC 2460 such that this attack vector is eliminated.
Additionally, it describes a number of operational mitigations that
could be deployed against this attack vector.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-gont-6man-ipv6-smurf-amplifier
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-gont-6man-ipv6-smurf-amplifier-01
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-gont-6man-ipv6-smurf-amplifier-01
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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