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Re: So, the security industry has given up on the principles of least privilege and separation?


From: Michal Zalewski <lcamtuf () coredump cx>
Date: Mon, 16 Feb 2009 16:28:45 +0100

"Removing Admin Rights Stymies 92% of Microsoft's Security Vulnerabilities
Nine of out 10 critical bugs reported by Microsoft last year could
have been made moot, or at least made less dangerous, if people ran
Windows without administrative rights, a developer of enterprise
rights management software claimed Tuesday".

If you look at the vague, short, management-oriented white paper that
backs with this PR claim
(http://beyondtrust.com/documentation/whitePapers/wp_VulnerabilityReport.pdf)
- by the way, from a company that happens to make account privilege
management software - it seems that they are essentially saying two
things:

1) With 100% of client software vulnerabilities, the attacker can do a
bit less to the system if user is not running as root (duh),

2) About 92% of all vulnerabilities in Microsoft bulletins affected
client software, exclusively (MSIE, Office, etc) or not  (shared
image, XML parsing libraries, etc).

The transition made in the magazine, from "attacker can do a bit less"
to "critical bugs could be made moot" seems to be a pretty fallacious
one, however.

/mz
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