Security Threats for NHDP
draft-ietf-manet-nhdp-sec-threats-02

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Mobile Ad hoc Networking (MANET)                              U. Herberg
Internet-Draft                           Fujitsu Laboratories of America
Intended status: Informational                                     J. Yi
Expires: September 21, 2013                                   T. Clausen
                                                LIX, Ecole Polytechnique
                                                          March 20, 2013

                       Security Threats for NHDP
                  draft-ietf-manet-nhdp-sec-threats-02

Abstract

   This document analyses common security threats of the Neighborhood
   Discovery Protocol (NHDP), and describes their potential impacts on
   MANET routing protocols using NHDP.

Status of this Memo

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   This Internet-Draft will expire on September 21, 2013.

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   Copyright (c) 2013 IETF Trust and the persons identified as the
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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  3
   3.  NHDP Threat Overview . . . . . . . . . . . . . . . . . . . . .  4
   4.  Detailed Threat Description  . . . . . . . . . . . . . . . . .  4
     4.1.  Jamming  . . . . . . . . . . . . . . . . . . . . . . . . .  5
     4.2.  Denial of Service Attack . . . . . . . . . . . . . . . . .  5
     4.3.  Eavesdropping  . . . . . . . . . . . . . . . . . . . . . .  6
     4.4.  Incorrect HELLO Message Generation . . . . . . . . . . . .  6
       4.4.1.  Identity Spoofing  . . . . . . . . . . . . . . . . . .  6
       4.4.2.  Link Spoofing  . . . . . . . . . . . . . . . . . . . .  7
     4.5.  Replay Attack  . . . . . . . . . . . . . . . . . . . . . .  8
     4.6.  Message Timing Attacks . . . . . . . . . . . . . . . . . .  8
       4.6.1.  Interval Time Attack . . . . . . . . . . . . . . . . .  8
       4.6.2.  Validity Time Attack . . . . . . . . . . . . . . . . .  9
     4.7.  Indirect Jamming . . . . . . . . . . . . . . . . . . . . .  9
     4.8.  Attack on Link Quality Update  . . . . . . . . . . . . . . 10
   5.  Impact of inconsistent Information Bases on Protocols
       using NHDP . . . . . . . . . . . . . . . . . . . . . . . . . . 11
     5.1.  MPR Calculation  . . . . . . . . . . . . . . . . . . . . . 11
       5.1.1.  Flooding Disruption due to Identity Spoofing . . . . . 11
       5.1.2.  Flooding Disruption due to Link Spoofing . . . . . . . 12
       5.1.3.  Broadcast Storm  . . . . . . . . . . . . . . . . . . . 13
     5.2.  Routing Loops  . . . . . . . . . . . . . . . . . . . . . . 14
     5.3.  Invalid or Non-Existing Paths to Destinations  . . . . . . 14
     5.4.  Data Sinkhole  . . . . . . . . . . . . . . . . . . . . . . 15
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 15
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 15
   8.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 15
   9.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
     9.1.  Normative References . . . . . . . . . . . . . . . . . . . 15
     9.2.  Informative References . . . . . . . . . . . . . . . . . . 16
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 16

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1.  Introduction

   The Neighborhood Discovery Protocol (NHDP) [RFC6130] allows routers
   to acquire topological information up to two hops away from
   themselves, by way of periodic HELLO message exchanges.  The
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