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             AUSCERT External Security Bulletin Redistribution

           ESB-2005.0118 -- Microsoft Security Bulletin MS05-009
     Vulnerability in PNG Processing Could Allow Remote Code Execution
                              9 February 2005


        AusCERT Security Bulletin Summary

Product:           Microsoft Windows Media Player 9 Series (when running on Windows 2000, Windows XP and Windows Server 2003)
                   Microsoft MSN Messenger 6.1
                   Microsoft MSN Messenger 6.2
                   Microsoft Windows 98
                   Microsoft Windows 98 Second Edition (SE)
                   Microsoft Windows Millennium Edition (ME)
Publisher:         Microsoft
Operating System:  Windows
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated

Original Bulletin: http://www.microsoft.com/technet/security/bulletin/MS05-009.mspx

Comment: From Microsoft's MS05-009 bulletin:
         "A remote code execution vulnerability exists in the processing of PNG
         image formats. The vulnerability is documented in the Vulnerability
         Details section of this bulletin.
         An attacker who successfully exploited this vulnerability could take
         complete control of an affected system. An attacker could then install
         programs; view, change, or delete data; or create new accounts with
         full user rights."

- --------------------------BEGIN INCLUDED TEXT--------------------

Title:  Vulnerability in PNG Processing Could Allow Remote Code
Execution (890261)

Affected Software: 
 - Microsoft Windows Media Player 9 Series (when running on Windows
2000, Windows XP and Windows Server 2003)
 - Microsoft MSN Messenger 6.1
 - Microsoft MSN Messenger 6.2
 - Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE),
and Microsoft Windows Millennium Edition (ME) - Review the FAQ
section of this bulletin for details about these operating systems.

Non-Affected Software: 
 - MSN Messenger for Mac
 - Windows Media Player 6.4
 - Windows Media Player 7.1
 - Windows Media Player for Windows XP (8.0)
 - Windows Media Player 9 Series for Windows XP Service Pack 2
 - Windows Media Player 10

Affected Components: 
 - Microsoft Windows Messenger version 4.7.2009 (when running on
Windows XP and Windows XP Service Pack 1)
 - Microsoft Windows Messenger version 4.7.3000 (when running on
Windows XP Service Pack 2)
 - Microsoft Windows Messenger version 5.0 (standalone version that
can be installed on all supported operating systems)

Impact of Vulnerability: Remote Code Execution

Maximum Severity Rating: Critical

Restart required: In some cases, this update does not require a
restart. The installer stops the required services, applies the
update, and then restarts the services. However, if the required
services cannot be stopped for any reason, or if required files are
in use, this update will require a restart. If this occurs, a message
appears that advises you to restart.

Update can be uninstalled: Yes

More information on this vulnerability is available at:

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