[secdir] SECDIR review of draft-ietf-pcp-description-option-04

Phillip Hallam-Baker <hallam@gmail.com> Thu, 20 February 2014 01:46 UTC

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Date: Wed, 19 Feb 2014 20:46:05 -0500
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From: Phillip Hallam-Baker <hallam@gmail.com>
To: "secdir@ietf.org" <secdir@ietf.org>, "draft-ietf-pcp-description-option@tools.ietf.org" <draft-ietf-pcp-description-option@tools.ietf.org>, "iesg@ietf.org" <iesg@ietf.org>
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Archived-At: http://mailarchive.ietf.org/arch/msg/secdir/rnTkCt3AdIoXUoe4IZFdlDdj2PY
Subject: [secdir] SECDIR review of draft-ietf-pcp-description-option-04
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This draft simply adds in a description field to the Port Control Protocol.

While this does not raise security concerns in itself, uses of the field
may. In particular, the (ab)use of the DNS TXT field to stuff site local or
non-standard control data into the protocol might become a problem

I suspect it won't be long before someone has the idea that their
application announce itself with a description of "# SELECT * FROM
Bobby.tables".

The SC should point out that the data is not authenticated for this purpose
and relying on (or executing) descriptions is a trail of tears.

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Website: http://hallambaker.com/