JPCERT-AT-2009-0001
                                                             JPCERT/CC
                                                            2009-01-14

                  <<< JPCERT/CC Alert 2009-01-14 >>>

               January 2009 Microsoft Security Bulletin
                   (including one critical patch)

             http://www.jpcert.or.jp/at/2009/at090001.txt

I. Overview

  Microsoft has released the security bulletin summary for January
2009, which contains one security update with severity rating
"Critical".

  A remote attacker could use this vulnerability, and cause a denial
of service or execute arbitrary code.

  For further information about this vulnerability, refer to the
following URLs.

    Microsoft Security Bulletin Summary for January 2009
    http://www.microsoft.com/technet/security/bulletin/ms09-jan.mspx


  [Critical Security Update]

    MS09-001
    Vulnerabilities in SMB Could Allow Remote Code Execution (958687)
    http://www.microsoft.com/technet/security/bulletin/MS09-001.mspx


II. Solution

  Use means such as Microsoft Update or Windows Update to apply the
security update immediately.

    Microsoft Update
    https://update.microsoft.com/

    Windows Update
    https://windowsupdate.microsoft.com/


III. References

    Microsoft Security Bulletin Summary for January 2009
    http://www.microsoft.com/technet/security/bulletin/ms09-jan.mspx

    US-CERT Technical Cyber Security Alert TA09-013A
    Microsoft Updates for Multiple SMB Protocol Vulnerabilities
    http://www.us-cert.gov/cas/techalerts/TA09-013A.html


  If you have any information you could provide regarding this alert,
please contact us.

======================================================================
JPCERT Coordination Center (JPCERT/CC)
MAIL: info@jpcert.or.jp
TEL: 03-3518-4600  FAX: 03-3518-4602