A Security Threat Analysis for Routing over Low-Power and Lossy Networks
draft-ietf-roll-security-threats-03

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Document Type Active Internet-Draft (roll WG)
Last updated 2013-06-26
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Intended RFC status Informational
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Networking Working Group                                         T. Tsao
Internet-Draft                                              R. Alexander
Intended status: Informational                      Cooper Power Systems
Expires: December 27, 2013                                     M. Dohler
                                                                    CTTC
                                                                 V. Daza
                                                               A. Lozano
                                                Universitat Pompeu Fabra
                                                           June 25, 2013

A Security Threat Analysis for Routing over Low-Power and Lossy Networks
                  draft-ietf-roll-security-threats-03

Abstract

   This document presents a security threat analysis for routing over
   low-power and lossy networks (LLN).  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.  These assessments
   provide the basis of the security recommendations for incorporation
   into low-power, lossy network routing protocols.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in RFC
   2119 [RFC2119].

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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

Tsao, et al.            Expires December 27, 2013               [Page 1]
Internet-Draft      Security Threat Analysis for ROLL          June 2013

   This Internet-Draft will expire on December 27, 2013.

Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Tsao, et al.            Expires December 27, 2013               [Page 2]
Internet-Draft      Security Threat Analysis for ROLL          June 2013

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  5
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  5
   3.  Considerations on ROLL Security  . . . . . . . . . . . . . . .  6
     3.1.  Routing Assets and Points of Access  . . . . . . . . . . .  7
     3.2.  The ISO 7498-2 Security Reference Model  . . . . . . . . .  9
     3.3.  Issues Specific to or Amplified in LLNs  . . . . . . . . . 11
     3.4.  ROLL Security Objectives . . . . . . . . . . . . . . . . . 12
   4.  Threat Sources . . . . . . . . . . . . . . . . . . . . . . . . 14
   5.  Threats and Attacks  . . . . . . . . . . . . . . . . . . . . . 14
     5.1.  Threats due to failures to Authenticate  . . . . . . . . . 14
     5.2.  Threats due to failures to Authenticate  . . . . . . . . . 14
     5.3.  Threats and Attacks on Confidentiality . . . . . . . . . . 14
       5.3.1.  Routing Exchange Exposure  . . . . . . . . . . . . . . 15
       5.3.2.  Routing Information (Routes and Network Topology)
               Exposure . . . . . . . . . . . . . . . . . . . . . . . 15
   6.  Threats and Attacks on Integrity . . . . . . . . . . . . . . . 16
     6.1.  Routing Information Manipulation . . . . . . . . . . . . . 16
     6.2.  Node Identity Misappropriation . . . . . . . . . . . . . . 17
   7.  Threats and Attacks on Availability  . . . . . . . . . . . . . 17
     7.1.  Routing Exchange Interference or Disruption  . . . . . . . 17
     7.2.  Network Traffic Forwarding Disruption  . . . . . . . . . . 18
     7.3.  Communications Resource Disruption . . . . . . . . . . . . 19
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