An Incident Object Description Exchange Format (IODEF) Extension for Structured Cybersecurity Information
RFC 7203
| Document | Type |
RFC - Proposed Standard
(April 2014; Errata)
Was draft-ietf-mile-sci (mile WG)
|
|
|---|---|---|---|
| Last updated | 2015-11-02 | ||
| Replaces | draft-takahashi-mile-sci | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Reviews | |||
| Stream | WG state | Submitted to IESG for Publication | |
| Document shepherd | Brian Trammell | ||
| Shepherd write-up | Show (last changed 2013-10-03) | ||
| IESG | IESG state | RFC 7203 (Proposed Standard) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | Sean Turner | ||
| Send notices to | (None) | ||
| IANA | IANA review state | Version Changed - Review Needed | |
| IANA action state | RFC-Ed-Ack | ||
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 2014
Copyright 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
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.
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 2014
1. Introduction
The number of incidents in cyber society is growing day by day.
Incident information needs to be reported, exchanged, and shared
among organizations in order to cope with the situation. IODEF is
one of the tools already in use that enables such an exchange.
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