Re: [secdir] secdir review of draft-ietf-eman-applicability-statement-08
Benoit Claise <bclaise@cisco.com> Wed, 17 December 2014 09:33 UTC
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Date: Wed, 17 Dec 2014 10:33:03 +0100
From: Benoit Claise <bclaise@cisco.com>
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To: Melinda Shore <melinda.shore@gmail.com>, draft-ietf-eman-applicability-statement.all@ietf.org
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Archived-At: http://mailarchive.ietf.org/arch/msg/secdir/RtMedJfAiknJq-lXo01rZlkOse0
Cc: IESG <iesg@ietf.org>, secdir@ietf.org
Subject: Re: [secdir] secdir review of draft-ietf-eman-applicability-statement-08
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On 30/11/2014 01:02, Melinda Shore wrote: > I have reviewed this document as part of the security directorate's > ongoing effort to review all IETF documents being processed by the > IESG. These comments were written primarily for the benefit of the > security area directors. Document editors and WG chairs should treat > these comments just like any other last call comments. > > Summary: Security considerations section is insufficient. Otherwise > the document is in pretty good shape (with nits). > > This document is essentially a set of use cases guiding the energy > management's (eman) working group's work, as well as providing a > description of the relationship of the IETF's eman's framework to > other relevant energy monitoring standards. > > Of particular interest, perhaps, is that eman is using SNMP to convey > energy device information. > > The use cases are very clearly described, and we're grateful for > the "essential properties" breakout summaries ("target devices," > "how powered," and "reporting") at the bottom of each use case. > > All that said, I was extremely surprised to get to the "Security > considerations" section and find that it consisted of but two > generic sentences about SNMP. Note that there is some text in the framework itself. https://tools.ietf.org/html/rfc7326#section-10 Regards, Benoit > We are all aware of issues related > to the sensitivity of the electric grid, and powered devices, > to security vulnerabilities and that this is a time of heightened > scrutiny of how the grid is secured. This necessarily extends to > monitoring, and there is certainly a *lot* of information that > may be gleaned by an attacker from monitoring power consumption, > as well as manipulation of the grid by an attacker inserting > bogus monitoring messages. > > There does not appear to have been any work done within the > group on developing a threat model for energy monitoring, which > strikes me as problematic. However, even in the absence of an > interest in developing one, a quick summary of the sorts of > attacks that must be considered in the development and deployment > of energy monitoring mechanisms strikes me as far, far, far > more useful than a one-sentence rundown of generic security mechanisms > provided by SNMPv3. > > Minor comments: > > 1) This is more by way of guidance, but it should be noted that > while the information model may be portable to YANG, netconf, > and others, the security models and technologies used to secure > those protocols may be (and are) different, and security > properties need to be given serious consideration before > moving the information model to another conveyance. > > 2) the I-D nit checker found a number of problems in the references, > as well as a few other problems. > https://tools.ietf.org/idnits?url=https://tools.ietf.org/id/draft-ietf-eman-applicability-statement-08.txt > > Trivial nits: > > 1) In section 1.2, the document name/reference should be separated > from the document description by a colon and space > > 2) In that same section there's a stray period at the very bottom of > page 4 > > 3) Section 2, first paragraph: "This section a presents energy > management scenarios [ ... ]". That 'a' (third word) needs to be > removed. > > 4) For some reason the section header for section 2.8 does not appear > bolded, while those for other subsections do. > > > Melinda > . >
- [secdir] secdir review of draft-ietf-eman-applica… Melinda Shore
- Re: [secdir] secdir review of draft-ietf-eman-app… Benoit Claise