A Security Threat Analysis for Routing Protocol for Low-power and lossy networks (RPL)
draft-ietf-roll-security-threats-09

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Document Type Active Internet-Draft (roll WG)
Last updated 2014-09-01 (latest revision 2014-08-13)
Replaces draft-ietf-roll-security-framework
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Routing Over Low-Power and Lossy Networks                        T. Tsao
Internet-Draft                                              R. Alexander
Intended status: Informational                      Cooper Power Systems
Expires: February 14, 2015                                     M. Dohler
                                                                    CTTC
                                                                 V. Daza
                                                               A. Lozano
                                                Universitat Pompeu Fabra
                                                      M. Richardson, Ed.
                                                Sandelman Software Works
                                                         August 13, 2014

A Security Threat Analysis for Routing Protocol for Low-power and lossy
                             networks (RPL)
                  draft-ietf-roll-security-threats-09

Abstract

   This document presents a security threat analysis for the Routing
   Protocol for Low-power and lossy networks (RPL, ROLL).  The
   development builds upon previous work on routing security and adapts
   the assessments to the issues and constraints specific to low-power
   and lossy networks.  A systematic approach is used in defining and
   evaluating the security threats.  Applicable countermeasures are
   application specific and are addressed in relevant applicability
   statements.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   time.  It is inappropriate to use Internet-Drafts as reference
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   This Internet-Draft will expire on February 14, 2015.

Copyright Notice

Tsao, et al.            Expires February 14, 2015               [Page 1]
Internet-Draft    Security Threat Analysis for ROLL RPL      August 2014

   Copyright (c) 2014 IETF Trust and the persons identified as the
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Relationship to other documents . . . . . . . . . . . . . . .   4
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Considerations on RPL Security  . . . . . . . . . . . . . . .   5
     4.1.  Routing Assets and Points of Access . . . . . . . . . . .   6
     4.2.  The ISO 7498-2 Security Reference Model . . . . . . . . .   8
     4.3.  Issues Specific to or Amplified in LLNs . . . . . . . . .   9
     4.4.  RPL Security Objectives . . . . . . . . . . . . . . . . .  12
   5.  Threat Sources  . . . . . . . . . . . . . . . . . . . . . . .  13
   6.  Threats and Attacks . . . . . . . . . . . . . . . . . . . . .  13
     6.1.  Threats due to failures to Authenticate . . . . . . . . .  14
       6.1.1.  Node Impersonation  . . . . . . . . . . . . . . . . .  14
       6.1.2.  Dummy Node  . . . . . . . . . . . . . . . . . . . . .  14
       6.1.3.  Node Resource Spam  . . . . . . . . . . . . . . . . .  14
     6.2.  Threats and Attacks on Confidentiality  . . . . . . . . .  15
       6.2.1.  Routing Exchange Exposure . . . . . . . . . . . . . .  15
       6.2.2.  Routing Information (Routes and Network Topology)
               Exposure  . . . . . . . . . . . . . . . . . . . . . .  15
     6.3.  Threats and Attacks on Integrity  . . . . . . . . . . . .  16
       6.3.1.  Routing Information Manipulation  . . . . . . . . . .  16
       6.3.2.  Node Identity Misappropriation  . . . . . . . . . . .  17
     6.4.  Threats and Attacks on Availability . . . . . . . . . . .  17
       6.4.1.  Routing Exchange Interference or Disruption . . . . .  17
       6.4.2.  Network Traffic Forwarding Disruption . . . . . . . .  17
       6.4.3.  Communications Resource Disruption  . . . . . . . . .  19
       6.4.4.  Node Resource Exhaustion  . . . . . . . . . . . . . .  19
   7.  Countermeasures . . . . . . . . . . . . . . . . . . . . . . .  20
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