LISP Threats Analysis
draft-ietf-lisp-threats-02
Network Working Group D. Saucez
Internet-Draft INRIA
Intended status: Informational L. Iannone
Expires: March 16, 2013 Telecom ParisTech
O. Bonaventure
Universite catholique de Louvain
September 12, 2012
LISP Threats Analysis
draft-ietf-lisp-threats-02.txt
Abstract
This document analyzes the threats against the security of the
Locator/Identifier Separation Protocol and proposes a set of
recommendations to mitigate some of the identified security risks.
Status of this Memo
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provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on March 16, 2013.
Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved.
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Table of Contents
1. Requirements notation . . . . . . . . . . . . . . . . . . . . 3
2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Definition of Terms . . . . . . . . . . . . . . . . . . . . . 3
4. On-path Attackers . . . . . . . . . . . . . . . . . . . . . . 4
5. Off-Path Attackers: Reference Environment . . . . . . . . . . 4
6. Data-Plane Threats . . . . . . . . . . . . . . . . . . . . . . 6
6.1. EID-to-RLOC Database Threats . . . . . . . . . . . . . . . 6
6.2. EID-to-RLOC Cache Threats . . . . . . . . . . . . . . . . 7
6.2.1. EID-to-RLOC Cache poisoning . . . . . . . . . . . . . 7
6.2.2. EID-to-RLOC Cache overflow . . . . . . . . . . . . . . 9
6.3. Attacks not leveraging on the LISP header . . . . . . . . 9
6.4. Attacks leveraging on the LISP header . . . . . . . . . . 10
6.4.1. Attacks using the Locator Status Bits . . . . . . . . 10
6.4.2. Attacks using the Map-Version bit . . . . . . . . . . 11
6.4.3. Attacks using the Nonce-Present and the Echo-Nonce
bits . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.4.4. Attacks using the ID Instance bits . . . . . . . . . . 13
7. Control Plane Threats . . . . . . . . . . . . . . . . . . . . 13
7.1. Attacks with Map-Request messages . . . . . . . . . . . . 13
7.2. Attacks with Map-Reply messages . . . . . . . . . . . . . 15
7.3. Gleaning Attacks . . . . . . . . . . . . . . . . . . . . . 16
8. Threats concerning Interworking . . . . . . . . . . . . . . . 17
9. Threats with Malicious xTRs . . . . . . . . . . . . . . . . . 18
10. Security of the Proposed Mapping Systems . . . . . . . . . . . 20
10.1. LISP+ALT . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.2. LISP-DDT . . . . . . . . . . . . . . . . . . . . . . . . . 22
11. Threats concerning LISP-MS . . . . . . . . . . . . . . . . . . 22
11.1. Map Server . . . . . . . . . . . . . . . . . . . . . . . . 23
11.2. Map-Resolver . . . . . . . . . . . . . . . . . . . . . . . 24
12. Suggested Recommendations . . . . . . . . . . . . . . . . . . 25
13. Document Status and Plans . . . . . . . . . . . . . . . . . . 27
14. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 27
15. Security Considerations . . . . . . . . . . . . . . . . . . . 28
16. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 28
17. References . . . . . . . . . . . . . . . . . . . . . . . . . . 28
17.1. Normative References . . . . . . . . . . . . . . . . . . . 28
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