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Re: Level of Exploitation
From: "Adriel T. Desautels" <ad_lists () netragard com>
Date: Thu, 4 Dec 2008 10:36:36 -0500

"Meaning a system with a FIPS 199 risk level of Moderate cannot possibly have a vulnerability that is a High risk to the agency."

If you can penetrate a system with a moderate risk level that system will inevitably give deeper access than you had initially. If you perform distributed metastasis properly then the risk isn't really moderate any more isn't it.

NIST is all well and good, but it doesn't teach you how to test properly. It just tells you what the minimums are from a very high level perspective.

On Dec 4, 2008, at 9:12 AM, Matthew Zimmerman wrote:

On Wed, Dec 3, 2008 at 2:59 PM, Adriel T. Desautels
<ad_lists () netragard com> wrote:
What level of access were you able to gain with SQL Injection?

Yah, and where? ;)

Seriously though, since your client is the Federal Government, if
we're talking about non-classified non-national-security systems, then
they're going to be following NIST requirements.  Look at NIST 800-30
[1] for guidance on how to apply risk ratings to vulnerabilities.  I
assume the "level of exploitation" is the amount of risk to the
agency.

And please don't rate items as "high" because it makes you look good
to the executives.  Rate them for what they're worth.  Risks are in
relation to the agency, not to the system.  (Meaning a system with a
FIPS 199 risk level of Moderate cannot possibly have a vulnerability
that is a High risk to the agency.)

[1] - http://csrc.nist.gov/publications/nistpubs/800-30/sp800-30.pdf

Matt Z

Adriel T. Desautels
ad_lists () netragard com




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