Locator/ID Separation Protocol (LISP) Threat Analysis
RFC 7835

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Internet Engineering Task Force (IETF)                         D. Saucez
Request for Comments: 7835                                         INRIA
Category: Informational                                       L. Iannone
ISSN: 2070-1721                                        Telecom ParisTech
                                                          O. Bonaventure
                                        Universite catholique de Louvain
                                                              April 2016

         Locator/ID Separation Protocol (LISP) Threat Analysis

Abstract

   This document provides a threat analysis of the Locator/ID Separation
   Protocol (LISP).

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7835.

Copyright Notice

   Copyright (c) 2016 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
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Saucez, et al.                Informational                     [Page 1]
RFC 7835                      LISP Threats                    April 2016

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Threat Model  . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Operation Modes of Attackers  . . . . . . . . . . . . . .   4
       2.1.1.  On-Path vs. Off-Path Attackers  . . . . . . . . . . .   4
       2.1.2.  Internal vs. External Attackers . . . . . . . . . . .   4
       2.1.3.  Live vs. Time-Shifted Attackers . . . . . . . . . . .   5
       2.1.4.  Control-Plane vs. Data-Plane Attackers  . . . . . . .   5
       2.1.5.  Cross-Mode Attackers  . . . . . . . . . . . . . . . .   5
     2.2.  Threat Categories . . . . . . . . . . . . . . . . . . . .   5
       2.2.1.  Replay Attack . . . . . . . . . . . . . . . . . . . .   5
       2.2.2.  Packet Manipulation . . . . . . . . . . . . . . . . .   6
       2.2.3.  Packet Interception and Suppression . . . . . . . . .   6
       2.2.4.  Spoofing  . . . . . . . . . . . . . . . . . . . . . .   6
       2.2.5.  Rogue Attack  . . . . . . . . . . . . . . . . . . . .   7
       2.2.6.  Denial-of-Service (DoS) Attack  . . . . . . . . . . .   7
       2.2.7.  Performance Attack  . . . . . . . . . . . . . . . . .   7
       2.2.8.  Intrusion Attack  . . . . . . . . . . . . . . . . . .   7
       2.2.9.  Amplification Attack  . . . . . . . . . . . . . . . .   7
       2.2.10. Passive Monitoring Attacks  . . . . . . . . . . . . .   7
       2.2.11. Multi-category Attacks  . . . . . . . . . . . . . . .   8
   3.  Attack Vectors  . . . . . . . . . . . . . . . . . . . . . . .   8
     3.1.  Gleaning  . . . . . . . . . . . . . . . . . . . . . . . .   8
     3.2.  Locator Status Bits . . . . . . . . . . . . . . . . . . .   9
     3.3.  Map-Version . . . . . . . . . . . . . . . . . . . . . . .  10
     3.4.  Routing Locator Reachability  . . . . . . . . . . . . . .  11
     3.5.  Instance ID . . . . . . . . . . . . . . . . . . . . . . .  12
     3.6.  Interworking  . . . . . . . . . . . . . . . . . . . . . .  12
     3.7.  Map-Request Messages  . . . . . . . . . . . . . . . . . .  12
     3.8.  Map-Reply Messages  . . . . . . . . . . . . . . . . . . .  13
     3.9.  Map-Register Messages . . . . . . . . . . . . . . . . . .  15
     3.10. Map-Notify Messages . . . . . . . . . . . . . . . . . . .  15
   4.  Note on Privacy . . . . . . . . . . . . . . . . . . . . . . .  15
   5.  Threat Mitigation . . . . . . . . . . . . . . . . . . . . . .  16
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  17
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  17
   Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . .  18