LISP Threats Analysis
draft-ietf-lisp-threats-08
Network Working Group D. Saucez
Internet-Draft INRIA
Intended status: Informational L. Iannone
Expires: April 24, 2014 Telecom ParisTech
O. Bonaventure
Universite catholique de Louvain
October 21, 2013
LISP Threats Analysis
draft-ietf-lisp-threats-08.txt
Abstract
This document proposes a threat analysis of the Locator/Identifier
Separation Protocol (LISP) if deployed in the Internet.
Status of This Memo
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This Internet-Draft will expire on April 24, 2014.
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Saucez, et al. Expires April 24, 2014 [Page 1]
Internet-Draft LISP Threats October 2013
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. On-path Attackers . . . . . . . . . . . . . . . . . . . . . . 3
3. Off-Path Attackers: Reference Environment . . . . . . . . . . 4
4. Attack vectors . . . . . . . . . . . . . . . . . . . . . . . 5
4.1. Configured EID-to-RLOC mappings . . . . . . . . . . . . . 5
4.2. EID-to-RLOC Cache . . . . . . . . . . . . . . . . . . . . 6
4.3. Attacks using the data-plane . . . . . . . . . . . . . . 6
4.3.1. Attacks not leveraging on the LISP header . . . . . . 6
4.3.2. Attacks leveraging on the LISP header . . . . . . . . 8
4.4. Attacks using the control-plane . . . . . . . . . . . . . 11
4.4.1. Attacks with Map-Request messages . . . . . . . . . . 11
4.4.2. Attacks with Map-Reply messages . . . . . . . . . . . 12
4.4.3. Attacks with Map-Register messages . . . . . . . . . 13
4.4.4. Attacks with Map-Notify messages . . . . . . . . . . 14
5. Attack categories . . . . . . . . . . . . . . . . . . . . . . 14
5.1. Intrusion . . . . . . . . . . . . . . . . . . . . . . . . 14
5.1.1. Description . . . . . . . . . . . . . . . . . . . . . 14
5.1.2. Vectors . . . . . . . . . . . . . . . . . . . . . . . 14
5.2. Denial of Service (DoS) . . . . . . . . . . . . . . . . . 14
5.2.1. Description . . . . . . . . . . . . . . . . . . . . . 14
5.2.2. Vectors . . . . . . . . . . . . . . . . . . . . . . . 15
5.3. Subversion . . . . . . . . . . . . . . . . . . . . . . . 15
5.3.1. Description . . . . . . . . . . . . . . . . . . . . . 15
5.3.2. Vectors . . . . . . . . . . . . . . . . . . . . . . . 15
6. Note on privacy . . . . . . . . . . . . . . . . . . . . . . . 16
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 16
8. Security Considerations . . . . . . . . . . . . . . . . . . . 16
9. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 17
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 17
10.1. Normative References . . . . . . . . . . . . . . . . . . 17
10.2. Informative References . . . . . . . . . . . . . . . . . 18
Appendix A. Document Change Log . . . . . . . . . . . . . . . . 19
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 21
1. Introduction
The Locator/ID Separation Protocol (LISP) is defined in [RFC6830].
The present document assesses the security level and identifies
security threats in the LISP specification if LISP is deployed in the
Internet (i.e., a public non-trustable environment). As a result of
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