Internet Engineering Task Force (IETF) T. Takahashi
Request for Comments: 7203 NICT
Category: Standards Track K. Landfield
ISSN: 2070-1721 McAfee
Y. Kadobayashi
NAIST
April 2014
An Incident Object Description Exchange Format (IODEF) Extension
for Structured Cybersecurity Information
Abstract
This document extends the Incident Object Description Exchange Format
(IODEF) defined in RFC 5070 to exchange enriched cybersecurity
information among security experts at organizations and facilitate
their operations. It provides a well-defined pattern to consistently
embed structured information, such as identifier- and XML-based
information.
Status of This Memo
This is an Internet Standards Track document.
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). Further information on
Internet Standards is available in 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/rfc7203.
Takahashi, et al. Standards Track [Page 1]RFC 7203 IODEF-SCI April 2014Copyright Notice
Copyright (c) 2014 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
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described in the Simplified BSD License.
Table of Contents
1. Introduction ....................................................3
2. Terminology .....................................................3
3. Applicability ...................................................4
4. Extension Definition ............................................5
4.1. IANA Table for Structured Cybersecurity Information ........5
4.2. Extended Data Type: XMLDATA ................................6
4.3. Extending IODEF ............................................6
4.4. Basic Structure of the Extension Classes ...................8
4.5. Defining Extension Classes .................................9
4.5.1. AttackPattern .......................................9
4.5.2. Platform ...........................................10
4.5.3. Vulnerability ......................................11
4.5.4. Scoring ............................................11
4.5.5. Weakness ...........................................12
4.5.6. EventReport ........................................13
4.5.7. Verification .......................................14
4.5.8. Remediation ........................................15
5. Mandatory-to-Implement Features ................................15
5.1. An Example XML Document ...................................16
5.2. An XML Schema for the Extension ...........................18
6. Security Considerations ........................................20
6.1. Transport-Specific Concerns ...............................20
6.2. Protection of Sensitive and Private Information ...........21
6.3. Application and Server Security ...........................22
7. IANA Considerations ............................................22
8. Acknowledgments ................................................24
9. References .....................................................24
9.1. Normative References ......................................24
9.2. Informative References ....................................26
Takahashi, et al. Standards Track [Page 2]RFC 7203 IODEF-SCI April 20141. Introduction
The number of incidents in cyber society is growing day by day.
datatracker.ietf.org