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Re: Which is more secure? Oracle vs. Microsoft


From: "David Litchfield" <davidl () ngssoftware com>
Date: Tue, 21 Nov 2006 16:52:29 -0000

Interesting paper. I do have a couple of points though:
a. Your graphs show the number of risks found, however, it would be
interesting to note the comparison in the severity of risks found. So
I did a quick count on issues =~ (overflow) (format string):
Microsoft SQL Count 39
Oracle Count 19

The vast majority of the Oracle flaws are SQL Injection allowing a low 
privileged user to gain DBA privs. Further - your count of 19 doesn't 
include the Oracle overflows fixed in the CPUs - I don't break those bugs 
out into details because the CPUs do that themselves.



b. You also mention SDL being the reason as to why Microsoft have had
so few issues. It seems to good to be true that SDL would really solve
all these problems, then again maybe it has. Looking at my comments
above (see a.), could I not suggest that some of these issues are not
re-occuring due to stack protection being implemented in XP2 and
Windows 2003?

You can suggest of course :) but it's not the case. It has nothing to do 
with stack protection - it's deafeatable in many situations - even if it's 
not apparently immediately exploitable MS will fix it as if it is.
Cheers,
David



Kind regards,
David Kierznowski


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