Secure Coding mailing list archives

Software Assist to Find Least Privilege


From: peter.werner at gmail.com (Pete Werner)
Date: Wed, 26 Nov 2008 08:51:44 +1100

I've always thought systrace was nifty
http://www.citi.umich.edu/u/provos/systrace/

It's on a different level than .net/java, but I don't see why
something like that couldn't be built in to the CLR.

As to developers vs management, unless there is high level support for
security, developers are always going to struggle justifying time
spent on these things. They are usually under a lot of pressure to get
things out the door so the company can start making a buck.

In my experience higher levels respond to 2 things, customer demand
and regulators. Customers are being more vocal about security, and
regulators are slowly waking up. Regulators can be scary though. Self
regulation would be best but its unlikely higher ups will sign off on
self regulation because its just going to cost them more time and
money, and the reality is most corporates do not see software security
as part of their core business.

On Wed, Nov 26, 2008 at 4:26 AM, Mark Rockman <mrockman at acm.org> wrote:
It be difficult to determine a priori the settings for all the access
control lists and other security parameters that one must establish for CAS
to work.  Perhaps a software assist would work according to the following
scenario.  Run the program in the environment in which it will actually be
used.  Assume minimal permissions.  Each time the program would fail due to
violation of some permission, notate the event and plow on.  Assuming this
is repeated for every use case, the resulting reports would be a very good
guide to how CAS settings should be established for production.  Of course,
everytime the program is changed in any way, the process would have to be
repeated.

MARK ROCKMAN
MDRSESCO LLC
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