Home page logo
/

bugtraq logo Bugtraq mailing list archives

Microsoft Security Bulletin MS01-028
From: Microsoft Product Security <secnotif () MICROSOFT COM>
Date: Mon, 21 May 2001 15:04:44 -0700

The following is a Security  Bulletin from the Microsoft Product Security
Notification Service.

Please do not  reply to this message,  as it was sent  from an unattended
mailbox.
                    ********************************

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

- ----------------------------------------------------------------------
Title:      RTF document linked to template can run macros without
            warning
Date:       21 May 2001
Software:   Microsoft Word for Windows and Word for the Mac
Impact:     Run Macros without warning
Bulletin:   MS01-028

Microsoft encourages customers to review the Security Bulletin at: 
http://www.microsoft.com/technet/security/bulletin/MS01-028.asp.
- ----------------------------------------------------------------------

Issue:
======
Word, like other members of the Office product family, provides a 
security mechanism that requires user's approval to run macros. By 
design, anytime a document is opened the user would be notified if
the 
document contains macros. In addition, this mechanism checks
secondary 
documents that the original document links to, such as templates, and
warn if any of those contain macros. This feature works by scanning
the 
document or template for the presence of macros, alerting the user of
their presence, and then asking the user if he wants to allow the 
macros to run.
 
By embedding a macro in a template, and providing another user with
an 
RTF document that links to it, an attacker could cause a macro to run
automatically when the RTF document was opened. The macro would be
able 
to take any action that the user herself could take. This could
include 
disabling the user's Word security settings so that
subsequently-opened 
Word documents would no longer be checked for macros. 

Mitigating Factors:
====================
 - The vulnerability only affects Word. Other Office products are not
   affected. 
 - The vulnerability does not occur when opening Word documents, only
   when opening RTF documents, and even then only when the RTF
document
   is linked to a template. 

Patch Availability:
===================
 - A patch is available to fix this vulnerability. Please read the 
   Security Bulletin
   http://www.microsoft.com/technet/security/bulletin/ms01-028.asp
   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.



-----BEGIN PGP SIGNATURE-----
Version: PGP Personal Privacy 6.5.3

iQEVAwUBOwmQ/I0ZSRQxA/UrAQEXzAgAlbMfhrKwuOFbhk4AWLV1prmlVjt0W0CK
uMmyBO02YiBcFyw4PXTpAsDZ7RbyFiy/sJwzTN+ZayYFk9Lis4oLnKhJdkmplbwU
/HQrH1yzssz37Zcj7QIrKWBUfs3ts3SqUWTBB50/MnUEhv85lYT/nXhcOGqWAeyR
IXpL7NoaHEU7kZVAyHj7Bs5M/jU4zA+Y8xzyFrLd/HxBTRBjCl/HaIF1LVptBHan
N7VX9K7aq3muDkOYoXPbeox8AN2IFHKBQd510kbX1u5Zd7LmgYo8YQcehtMkVTnj
+57bFwDbNy1F/fRtCeBhzhWv/T+XScvIz8+ew8UcDtD7gD2IUGq/HQ==
=JDpK
-----END PGP SIGNATURE-----

   *******************************************************************
You have received  this e-mail bulletin as a result  of your registration
to  the   Microsoft  Product  Security  Notification   Service.  You  may
unsubscribe from this e-mail notification  service at any time by sending
an  e-mail  to  MICROSOFT_SECURITY-SIGNOFF-REQUEST () ANNOUNCE MICROSOFT COM
The subject line and message body are not used in processing the request,
and can be anything you like.

To verify the digital signature on this bulletin, please download our PGP
key at http://www.microsoft.com/technet/security/notify.asp.

For  more  information on  the  Microsoft  Security Notification  Service
please  visit  http://www.microsoft.com/technet/security/notify.asp.  For
security-related information  about Microsoft products, please  visit the
Microsoft Security Advisor web site at http://www.microsoft.com/security.


  By Date           By Thread  

Current thread:
  • Microsoft Security Bulletin MS01-028 Microsoft Product Security (May 22)
[ Nmap | Sec Tools | Mailing Lists | Site News | About/Contact | Advertising | Privacy ]
AlienVault