SecurityFocus Microsoft Newsletter #50

From: Marc Fossi (mfossi@securityfocus.com)
Date: 09/04/01


Date: Tue, 4 Sep 2001 15:44:23 -0600 (MDT)
From: Marc Fossi <mfossi@securityfocus.com>
To: Focus-MS <focus-ms@securityfocus.com>
Subject: SecurityFocus Microsoft Newsletter #50
Message-ID: <Pine.GSO.4.30.0109041543430.2977-100000@mail>

SecurityFocus Microsoft Newsletter #50
--------------------------------------

This Issue Sponsored by: Foundstone

"Ultimate Hacking: Hands On - NT/2000 Security"

If you're running a Windows network, then this is the intensive 3-day
course with everything a hacker knows...that you'll need to know! As a
Specialist in Microsoft's Security Services Partner Program, Foundstone
knows hacking, security and Microsoft. Register now for the class in New
York City, September 25-27 and Irvine, CA December 11-13.

http://www.foundstone.com/NT

-------------------------------------------------------------------------------

I. FRONT AND CENTER
     1. ARIS Analyzer Version 1.5 Release
     2. Introduction to Security Policies, Part One: An Overview of
        Policies
     3. An Audit of Active Directory Security, Part Two: Understanding the
        Security Implications of Active Directory Default Settings
     4. Network Monitoring for Intrusion Detection
II. MICROSOFT VULNERABILITY SUMMARY
     1. Microsoft Windows 2000 IrDA Buffer Overflow Denial of Service...
     2. Microsoft Outlook Web Access Denial of Service Vulnerability
III. MICROSOFT FOCUS LIST SUMMARY
     1. A couple questions (Thread)
     2. News question... (Thread)
     3. Autopsy of a successful intrusion (well, two actually) (Thread)
     4. Audit Tools (Thread)
     5. Fluff was: RE: Audit Tools (Thread)
     6. Network Trojan / Malware scanning tools (Thread)
     7. Disabling a port on NT 4.0 Server (Thread)
     8. Follow up on Trojan Scanner (Thread)
     9. What I would like the MS IIS Lockdown tool todo (Thread)
     10. Options for securing a Public Webserver and Private Intranet...
     11. Options for securing a Public Webserver and Private Intranet...
     12. Email webbugs (Thread)
     13. Ms Proxy - concurrent access (Thread)
     14. WIN2000 and IIS (Thread)
     15. Help... (Thread)
     16. Email webbugs (Eudora Rules) (Thread)
     17. RE[2]: cmd.exe / root.exe question (Thread)
     18. apache on NT (Thread)
     19. cmd.exe / root.exe question (Thread)
     20. SecurityFocus Microsoft Newsletter #49 (Thread)
     21. Using IPSec as a Packet Filter Firewall (Thread)
     22. MS IIS Lockdown tool (Thread)
     23. Winpcap bindings (Thread)
     24. IIS Help (Thread)
     25. MPSA and password tests (Thread)
     26. Proxy & Firewall for NT (Thread)
     27. Transparent screensaver (Thread)
IV. NEW PRODUCTS FOR MICROSOFT PLATFORMS
     1. Crypto Systems Toolkit
     2. Sybergen Access Server
     3. P-Synch Total Password Management Solution
V. NEW TOOLS FOR MICROSOFT PLATFORMS
     1. DSNS network scanner v1.0
     2. Chown
     3. LinkLogger v1.2.0.279
     4. Motorola Intrusion Vision (MIV)
VI. SPONSORSHIP INFORMATION

I. FRONT AND CENTER
-------------------
1. ARIS Analyzer Version 1.5 Release

SecurityFocus is proud to announce the launch of ARIS analyzer version
1.5. Based on user feedback and lessons learned from the Code Red worm,
we've greatly improved the system, its interface, and incident reporting
capabilities.

For those who are not familiar with ARIS analyzer, it is a free service
designed, administered and maintained by SecurityFocus to allow
participating network administrators to submit suspicious network traffic
and intrusion attempts anonymously, for detailed analysis and tracking.
It allows the correlation and management of IDS data from a number of
industry leading IDS' on a centralized incident management console.

It is available at the following URL:

http://aris.securityfocus.com

Here is a quick run-down of some of the new features that have been
integrated into ARIS analyzer:

- A central message board that serves as a medium for the community to
collaborate on important issues. New groups will be created for the
discussion of specific incidents that arise, on an as-needed basis
(CodeRed, Leaves, etc). This message board is separate from the incidents
mailing list at SecurityFocus, and it specifically for ARIS Analyzer
users.

- A second message board system used for hosting private discussions
between ARIS Analyzer users who have a particular attacker in common.

- A vast number of enhancements on the Incidents screen that includes the
ability to sort based upon a number of variables, the implementation of
severity ratings, improved visibility of other affected ARIS users who
have been attacked by the same IP, and much more.

- A complete overhaul of the ARIS analyzer reporting mechanism. A total of
32 reports can now be generated based upon uploaded incident data. This
allows the ARIS analyzer to perform a quick tally on who is the top
offending IP targeting their network, the most frequently attacked ports,
the most commonly deployed attack types against the network, etc.

- Support for Symantec NetProwler has recently been added. Existing
supported IDSs include Snort, NetworkICE BlackICE, ISS RealSecure, Dragon
IDS, and Cisco Secure IDS with NFR NIDS to be integrated in the near
future.

Down the road, we will continue to develop ARIS analyzer, improving it,
and adding the features that the community is looking for. One feature
currently in development is a customized home page that will display
statistics and summary data that is specific to the user's network when
logged in. As opposed to generating specific reports, this will give the
user a high level overview of your infrastructure.

For those of you who are already registered as an ARIS analyzer user, we
highly encourage you to take a look at the new site and send us your
feedback at aris-feedback@securityfocus.com. Those who have not taken
advantage of this free service yet can sign up at:

http://aris.securityfocus.com

Many users have asked how we are able to offer this service free of
charge. ARIS Analyzer is a subset of a commercial service, ARIS Predictor,
a predictive security intelligence service, backed by the SecurityFocus
analyst team. This service uses global ARIS Analyzer data to provide
customers with overviews and analysis' of events and trends. We will
continue to develop ARIS Analyzer, in an effort to give you the features
that you want in an incident management console. This approach is a
balanced way to provide a powerful service free of charge to the community
and ensure that it is funded so that it might continue it's existence.

Thanks for reading.

Oliver Friedrichs
Director of Engineering - ARIS
(650) 655-2000 X31

2. Introduction to Security Policies, Part One: An Overview of Policies
by Charl van der Walt

This is the first in a series of four articles devoted to discussing about
how information security policies can be used as an active part of an
organization's efforts to protect its valuable information assets. In a
world that is essentially technology driven; where the latest IIS exploit
is countered with a mad rush to install the relevant patch and where the
number of different operating systems in a network exceeds the number of
hairs on the security administrator's head that haven't turned gray,
policies give us an opportunity to change the pace, slow things down and
play the game on our own terms.

http://www.securityfocus.com/focus/basics/articles/policies.html

3. An Audit of Active Directory Security, Part Two: Understanding the
   Security Implications of Active Directory Default Settings
by Aaron Sullivan

In the last article, there was a brief introduction to Active Directory as
it relates to LDAP, NT 4 directory services, and a few other things.
Understanding the structural and syntactical layout of an LDAP/AD database
was also covered in brief. Lastly, some general thoughts were given out
about the implications of making a computer network as integrated,
reliant, and controlled by a massive directory service like AD. In this
article, we'll begin to approach AD security implications in a more
technical manner.

http://www.securityfocus.com/focus/microsoft/2k/adaudit2.html

4. Network Monitoring for Intrusion Detection
by Karen Frederick

In the world of intrusion detection, we tend to focus on detecting attacks
and clearly anomalous activity. However, another important component of a
complete intrusion detection solution is basic network monitoring and
traffic analysis. Network monitoring collects information on connections,
while traffic analysis allows us to see what services are being used on a
network and to compare that against the activity that we should be seeing.
This allows us to identify unauthorized services being used within a
network, as well as gaps in network perimeter defenses.

http://www.securityfocus.com/focus/ids/articles/networkmon.html

II. BUGTRAQ SUMMARY
-------------------
1. Microsoft Windows 2000 IrDA Buffer Overflow Denial of Service Vulnerability
BugTraq ID: 3215
Remote: Yes
Date Published: 2001-08-21
Relevant URL:
http://www.securityfocus.com/bid/3215
Summary:

IrDA (Infrared Data Association) is the standard protocol for transmitting
data using infrared devices.

Microsoft Windows 2000's software which handles IrDA contains an unchecked
buffer which could result in an overflow condition if sent a specifically
crafted IrDA packet resulting in a system reboot. This vulnerability
could result in a denial of service condition if the target system was
continually sent these malformed packets.

IrDA devices are limited to line of sight range within approximately 3-4
feet.

There is currently no known way for this exploit to be used to run
malicious code on the target system.

IrDA port communications are most commonly used by laptops.

2. Microsoft Outlook Web Access Denial of Service Vulnerability
BugTraq ID: 3223
Remote: Yes
Date Published: 2001-08-22
Relevant URL:
http://www.securityfocus.com/bid/3223
Summary:

Outlook Web Access is an optional component of Microsoft Exchange Server
which runs in conjunction with Microsoft Internet Information Server. It
provides access to a user's Exchange mailbox through a web interface.

A user can enter a long string of % characters into the Log On field in
the Outlook Web Access logon page. Next, the NT challenge dialog will pop
up requesting the username and password. The user enters the same long
string into both the username and password fields and presses <enter>
until the request times out.

At this point both the WWW Publishing service and the IIS Administration
service are stopped. This results in the inability of the host server to
fulfill HTTP requests or start the IIS Administration interface.

An administrator must manually restart the services to resume normal
operation of the server.

Note: If this behaviour is due to a buffer overrun condition, it may be
possible to execute arbitrary code on the server with administrative
privileges.

III. MICROSOFT FOCUS LIST SUMMARY
---------------------------------
1. A couple questions (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dAB4D1FD3

2. News question... (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d89E4C796

3. Autopsy of a successful intrusion (well, two actually) (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d20010830

4. Audit Tools (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d558BEC96

5. Fluff was: RE: Audit Tools (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d20010830

6. Network Trojan / Malware scanning tools (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dB8344505

7. Disabling a port on NT 4.0 Server (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dNEBBKKJA

8. Follow up on Trojan Scanner (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dD602412F

9. What I would like the MS IIS Lockdown tool todo (Thread)
Relevant URL:

af05a8c0@anchorsign.com">http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d05e801c130d1$9e469b10$af05a8c0@anchorsign.com

10. Options for securing a Public Webserver and Private Intranet on s ame server. (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d20010829

11. Options for securing a Public Webserver and Private Intranet on same server. (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dGLEMLPDJ

12. Email webbugs (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dEBEKIPJC

13. Ms Proxy - concurrent access (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dEB01D5EF

14. WIN2000 and IIS (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d20010828

15. Help... (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d89E4C796

16. Email webbugs (Eudora Rules) (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d5.0.2.1.

17. RE[2]: cmd.exe / root.exe question (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d12734.99

18. apache on NT (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dHMEIJMEK

19. cmd.exe / root.exe question (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dB8344505

20. SecurityFocus Microsoft Newsletter #49 (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dPine.GSO

21. Using IPSec as a Packet Filter Firewall (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dA2DD4A07

22. MS IIS Lockdown tool (Thread)
Relevant URL:

6501a8c0@ssr.hp.com">http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d000001c12dd3$a2ef0f90$6501a8c0@ssr.hp.com

23. Winpcap bindings (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dF42ZWZae

24. IIS Help (Thread)
Relevant URL:

d2e714d8@hack3r.org">http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d006b01c12cdd$aa8ac420$d2e714d8@hack3r.org

25. MPSA and password tests (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dMBEIIKNL

26. Proxy & Firewall for NT (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3dweb-3571

27. Transparent screensaver (Thread)
Relevant URL:

http://www.securityfocus.com/frames/index.html?content=%2ftemplates%2farchive.pike%3flist%3d88%26date%3d2001-08-31%26thread%3d000601c12be8$ac46e960$65e81aac@xpxtreme

IV.NEW PRODUCTS FOR MICROSOFT PLATFORMS
----------------------------------------
1. Crypto Systems Toolkit
by Baltimore Technologies
Platforms: DOS, HP-UX, Linux, Solaris, Windows 3.x, Windows 95/98 and
Windows NT
Relevant URL:
http://www.securityfocus.com/templates/product.html?id=580
Summary:

CST contains implementations of the most popular and trusted cryptographic
algorithms (RSA, DES, IDEA, etc.). These are accessed through BSAPI which
enables developers to include cryptographic functions in their
applications in a straightforward and consistent manner. In particular CST
is applicable to all cryptographic techniques based on modular arithmetic.
Such techniques include RSA, DSA, Fiat-Shamir, DL, Diffie-Hellman key
exchange, etc.

2. Sybergen Access Server
by Sybergen Networks Inc.
Platforms: Linux, MacOS, UNIX, Windows 2000, Windows 95/98 and Windows NT
Relevant URL:
http://www.securityfocus.com/templates/product.html?id=1296
Summary:

Sybergen Access Server delivers Internet access management that provides
shared Internet access, a secure firewall, and optimization to maximize
the use of the available bandwidth. Sybergen Access Server turns any PC
into an Internet gateway with enterprise-level management features, while
protecting the computers on your network.

3. P-Synch Total Password Management Solution
by M-TECH
Platforms: AIX, DG-UX, HP-UX, IRIX, Linux, MVS, Netware, Solaris, SunOS,
VMS and Windows NT
Relevant URL:
http://www.securityfocus.com/templates/product.html?id=837
Summary:

P-Synch is a total password management solution. It is intended to reduce
the cost of ownership of password systems, and simultaneously improve the
security of password protected systems. This is done through: -Password
Synchronization. -Enforcing an enterprise wide password strength policy.
-Allowing authenticated users to reset their own forgotten passwords and
enable their locked out accounts. -Streamlining help desk call resolution
for password resets. P-Synch is available for both internal use, on the
corporate Intranet, as well as for the Internet deployment in B2B and B2C
applications.

V. NEW TOOLS FOR MICROSOFT PLATFORMS
------------------------------------
1. DSNS network scanner v1.0
by Hannes Gräuler
Relevant URL:
http://www.securityfocus.com/tools/2183
Platforms: Windows 2000
Summary:

DSNS is advanced network scanner for Windows 2000. It uses fast SYN
scanning to find open ports and is able to probe the services that are
running on that ports. So you can check proxys, scan for SMTP relaying
hosts and more.

2. Chown
by Richard Puckett, rpuckett@snl.com
Relevant URL:
http://www.securityfocus.com/tools/1245
Platforms: Windows NT
Summary:

CHOWN.ZIP is a GUI NT equivalent to the UNIX tool. Microsoft claims that
the ownership process of NTFS file objects in NT is a two-part process,
requiring that the user possess the right to take ownership (granted by
the original object's owner/admin), then forcing them to execute the
ownership right. This is to protect object ownership from "Rogue
Administrators". This two-part ownership process is undesirable for
administrators, who would prefer to just "give" ownership of
file/directory objects to a particular user or group. This tool was
written to show that the Owner ACL of a file/directory object can be
overwritten with a modified replica Securirty Descriptor and elevated use
of the SeRestorePrivilege (Tested to NT SP6). Source Code included with
EXE.

3. LinkLogger v1.2.0.279
by Binary Visions Inc.
Relevant URL:
http://www.securityfocus.com/tools/2089
Platforms: Windows 95/98 and Windows NT
Summary:

Link Logger is a logging tool available for the Linksys BEF family of
Routers. Link Logger lets you know what is happening at your
router/firewall for both incoming and outgoing traffic. You will see who
is knocking and what they are knocking with. Link Logger features alerts
for suspicious traffic both coming into your network and leaving. You can
even custom configure alarms to let you know the instant that traffic
occurs to/from some IP address, or via some port.

4. Motorola Intrusion Vision (MIV)
by Motorola
Relevant URL:
http://www.securityfocus.com/tools/2178
Platforms: Windows 2000 and Windows NT
Summary:

Motorola Intrusion Vision (MIV) is a visualization and data management
tool used with commercial and public domain intrusion detection systems.
Alerts are analyzed in near-real time by the MIV Event Manager, graded by
severity and categorized by type. The result is an intuitive graphical
display leading to faster recognition of attacks and enabling a more
timely response for better protection of your network.

VI. SPONSORSHIP INFORMATION
---------------------------
This Issue Sponsored by: Foundstone

"Ultimate Hacking: Hands On - NT/2000 Security"

If you're running a Windows network, then this is the intensive 3-day
course with everything a hacker knows...that you'll need to know! As a
Specialist in Microsoft's Security Services Partner Program, Foundstone
knows hacking, security and Microsoft. Register now for the class in New
York City, September 25-27 and Irvine, CA December 11-13.

http://www.foundstone.com/NT