full-disclosure - Re: Flaw in Microsoft Domain Account CachingAllows Local Workstation Admins to Temporarily Escalate Privileges andLogin as Cached Domain Admin Accounts (2010-M$-002)

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Date: Mon, 13 Dec 2010 18:49:24 +0000
From: "Thor (Hammer of God)" <thor@...merofgod.com>
To: David Gillett <gillettdavid@...a.edu>, 'George Carlson'
	<gcarlson@...s.edu>,
	"bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com>, 
	"full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: Flaw in Microsoft Domain Account
 CachingAllows	Local Workstation Admins to Temporarily
 Escalate	Privileges	andLogin as Cached Domain Admin Accounts (2010-M$-002)

You made all domain users local admin?  Or did you do some sort of RUNAS in the logon script?

>-----Original Message-----
>From: David Gillett [mailto:gillettdavid@...a.edu]
>Sent: Monday, December 13, 2010 10:16 AM
>To: Thor (Hammer of God); 'George Carlson'; bugtraq@...urityfocus.com;
>full-disclosure@...ts.grok.org.uk
>Subject: RE: [Full-disclosure] Flaw in Microsoft Domain Account CachingAllows
>Local Workstation Admins to Temporarily Escalate Privileges andLogin as
>Cached Domain Admin Accounts (2010-M$-002)
>
>> If I take the domain admin out of my local administrators, they can't
>> do
>anything.  Done.
>
>  Back when I did AD/domain support, all domain user accounts got a profile
>that included a trivial script to re-add Domain Admins to the Local Admins
>group.  So this kind of local removal shenanigans lasted only until the user
>next logged into the domain.
>
>David Gillett

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