mailing list archives
Re: [NTSEC] Re: @LERT - NT security flaw announcement
From: colins () MICROSOFT COM (Colin Surprenant)
Date: Mon, 21 Apr 1997 08:50:11 -0700
The first thing to do is always to unbind NETBIOS from the interface
connected on the Internet (as Aleph One noted in the "BUILT-IN ANONYMOUS
USER BACK DOOR" message). NETBIOS is usually NOT needed for web or ftp
A lot of security holes can be nailed down - and specifically this one -
by unbinding NETBIOS. This is of course not always a viable solution.
Colin Surprenant - colins () microsoft com
SOFTIMAGE|IS Microsoft ITG
From: Aleph One [SMTP:aleph1 () DFW NET]
Sent: Saturday, April 19, 1997 11:53 PM
To: BUGTRAQ () NETSPACE ORG
Subject: [NTSEC] Re: @LERT - NT security flaw
There is an easier way to stop the registry part of the problem
overlooked until just now (doh!).
Create a key called winreg
Set the security on it however you like, but do NOT give
"everyone" any access.
(also do not give "everyone" NO access, since YOU are also a
everyone - just don't have an entry in the ACL for everyone).
Poof - part of the problem is now solved.
I still recommend using the everyone2user tool anyway - tends to
If/when I figure out how to fix more of it, I'll let everyone
BTW, the 4.3 version of the ISS Internet Scanner _will_ have a
check for the
presence of this key and whether everyone has any access. I'll
coded in the next 10 minutes... <g>
David LeBlanc | Voice: (770)395-0150 x138
Internet Security Systems, Inc. | Fax: (404)395-1972
41 Perimeter Center East | E-Mail: dleblanc () iss net
Suite 660 | www: http://www.iss.net/
Atlanta, GA 30328 |