"Microsoft" Virus Warning

  Goldcroft 12:50 19 Mar 03
Locked

Apologies to those already aware, but last night got an email purporting to be from the Microsoft Security Centre, which I paste below. When I tried to open the attachement AVG spotted an I-Worm/Gibe.B virus. I am told in another forum that this "Microsoft" route is being used to send viruses, but that the virus in question is not destructive but sends itself to everyone in your address book. Well done AVG!

* * * * * *

MS Client

this is the latest version of security update, the
"March 2003, Cumulative Patch" update which eliminates
all known security vulnerabilities affecting Internet Explorer,
Outlook and Outlook Express as well as five newly
discovered vulnerabilities. Install now to protect your computer
from these vulnerabilities, the most serious of which could allow
an attacker to run executable on your system. This update includes
the functionality of all previously released patches.

System requirements Win 9x/Me/2000/NT/XP
This update applies to Microsoft Internet Explorer, version 4.01 and later
Microsoft Outlook, version 8.00 and later
Microsoft Outlook Express, version 4.01 and later
Recommendation Customers should install the patch at the earliest opportunity.
How to install Run attached file. Click Yes on displayed dialog box.
How to use You don't need to do anything after installing this item.

Microsoft Product Support Services and Knowledge Base articles
can be found on the Microsoft Technical Support web site.
For security-related information about Microsoft products, please
visit the Microsoft Security Advisor web site, or Contact us.

Please do not reply to this message. It was sent from an unmonitored
e-mail address and we are unable to respond to any replies.

Thank you for using Microsoft products.

With friendly greetings,
Microsoft Security Center

--------------------------------------------------------------------------------
©2003 Microsoft Corporation. All rights reserved. The names of the actual companies
and products mentioned herein may be the trademarks of their respective owners.

  BurrWalnut 14:52 19 Mar 03

Although Microsoft do send out this type of e-mail to corporate customers they are almost invariably bogus and contain a virus when sent to individuals.

  Sir Radfordin™ 15:13 19 Mar 03

-----BEGIN PGP SIGNED MESSAGE-----

- -----------------------------------------------------------------
Title: Unchecked buffer in Windows component could cause web
server compromise (815021)
Date: 17 March, 2003
Software: Microsoft Windows 2000
Impact: Run Code of Attacker's Choice
Max Risk: Critical
Bulletin: MS03-007

Microsoft encourages customers to review the Security Bulletins
at:
click here
click here
- -----------------------------------------------------------------

Issue:
======
Microsoft Windows 2000 supports the World Wide Web Distributed
Authoring and Versioning (WebDAV) protocol. WebDAV, defined in
RFC 2518, is a set of extensions to the Hyper Text Transfer
Protocol (HTTP) that provide a standard for editing and file
management between computers on the Internet. A security
vulnerability is present in a Windows component used by WebDAV,
and results because the component contains an unchecked buffer.

An attacker could exploit the vulnerability by sending a
specially formed HTTP request to a machine running Internet
Information Server (IIS). The request could cause the server to
fail or to execute code of the attacker's choice. The code would
run in the security context of the IIS service (which, by
default, runs in the LocalSystem context).

Although Microsoft has supplied a patch for this vulnerability
and recommends customers install the patch immediately,
additional tools and preventive measures have been provided that
customers can use to block the exploitation of this vulnerability
while they are assessing the impact and compatibility of the
patch. These temporary workarounds and tools are discussed in the
"Workarounds" section in the FAQ below.


Mitigating Factors:
====================
- URLScan, which is a part of the IIS Lockdown Tool will block
this attack in its default configurations
- The vulnerability can only be exploited remotely if an
attacker can establish a web session with an affected server

Risk Rating:
============
- Critical

Patch Availability:
===================
- A patch is available to fix this vulnerability. Please read
the Security Bulletins at

click here
click here

for information on obtaining this patch.


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

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT
DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING
THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS
BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT,
INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL
DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT
ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL
OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

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*******************************************************************

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  Sir Radfordin™ 15:14 19 Mar 03

ooops sorry PCA managed to break your site there!

  Goldcroft 14:09 20 Mar 03

Thanks everyone. Just wanted to alert others who may not know so much about these things.

This thread is now locked and can not be replied to.

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