full-disclosure - windows linux final study

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Date: Tue Mar 29 15:53:23 2005
From: fw at deneb.enyo.de (Florian Weimer)
Subject: windows linux final study

* security curmudgeon:

>>From the report:
>
>   Additionally, when examining the days of risk  time between when a 
>   vulnerability is publicly disclosed to when a patch is released by the 
>   vendor for that vulnerability  we found an average of 31.3 days of risk 
>   per vulnerability for the Windows solution, 69.6 days of risk per 
>   vulnerability for the minimal Linux solution and 71.4 days of risk for 
>   the default Linux solution.
>
> This is from page 2 of the study. Can we agree that if you find a serious 
> flaw/error in the paper by page 2 (out of 37) that one might have reason 
> to be skeptical?
>
> Does anyone in the security industry *really* think Windows ever has a 
> 31.3 day of risk for vulnerabilities?

I would have expected that it's lower than that.  After all, it's
defined as the number of days between public disclosure and patch
release, and I assume it's rather unlikely that vulnerabilities are
discussed publicly before the patch release (except for
browser-related vulnerabilities).