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AA-2008.0102                  AUSCERT Advisory

                                   [Win]
               Microsoft XP Service Pack 3 is now available
                                3 June 2008
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        AusCERT Advisory Summary
        ------------------------

Product:              Windows XP Service Pack 2 and prior
Operating System:     Windows XP
Member content until: Friday, June 06 2008

Comment: Windows XP Service Pack 3 has been found to install an older
         vulnerable version of flash player. Users who have installed
         SP3 will need to apply an update available at:
         
         http://www.microsoft.com/technet/security/Bulletin/MS06-069.mspx
         
         under the "affected software" section.

Revision History:     June 3 2008: Added comment relating to flash player 
                                   regression
                      May  9 2008: Initial Release

OVERVIEW

        Microsoft has released the third service pack for Windows XP. The 
        release brings with it all previously released security updates,
        hotfixes and other miscellaneous updates. It also includes some new
        enhancements which will leverage new features available in Windows 
        Server 2008.


DETAILS

        Service Pack Three does not include Windows Internet Explorer 7, 
        however it does include updates to both Internet Explorer 7 and 
        Internet Explorer 6. Users who are running Internet Explorer 8 Beta 
        are required to uninstall before installing the service pack. 

        Previously released functionality enhancements included in the service
        pack include:

           * Microsoft Management Console 3.0
           * Microsoft XML 6
           * Microsoft Windows Installer 3.1 V2 (3.1.4000.2435)
           * Background Intelligent Transfer Service (BITS) 2.5
           * IPSec Simple Policy Update for Windows
           * Digital Identity Mangement Service
           * Pern Name resolution Protocol (PNRP) 2.1
           * Remote Desktop Protocol 6.1
           * WiFi Protected Access 2 (WPA2)

        New functionality which is added in the service pack includes:

           * "Black Hole" Router Detection
           * Network Access Protection (NAP)
           * CredSSP Security Service Provider
           * Descriptive Security Options User Interface
           * Enhanced security for Administrator and Service policy entries
           * Microsoft Cryptographic Module
           * Windows Product Activation

        Some interesting things to note are the Network Access Protection and
        the updated Cryptographic module. NAP, which is a policy driven 
        technology, enforces computers that are connecting to your network 
        are in optimal health by segregating them to only access certain 
        resources until they become compliant with the policies. 

        In addition the new cryptographic module now supports SHA2 (SHA256, 
        SHA384, SHA512) in X.509 certificates. The crypto modules are now
        compliant with FIPS 140-2 which supersedes the FIPS 140-1 that was
        implemented in XP SP2.

        For more details regarding the service pack see the following links:

           * Whitepaper
             http://www.microsoft.com/downloads/details.aspx?FamilyId=68C48DAD-BC34-40BE-8D85-6BB4F56F5110&displaylang=en

           * Release Notes
             http://support.microsoft.com/kb/936929


MITIGATION

        It is advised that you plan the rollout of the new service pack to
        leverage the new technologies to protect your network.

        The Service Pack is available via Microsoft Update. It is also
        available as a network installation for administrators at:

        http://www.microsoft.com/downloads/details.aspx?FamilyID=5b33b5a8-5e76-401f-be08-1e1555d4f3d4&DisplayLang=en


REFERENCES

        [1] Whitepaper
            http://www.microsoft.com/downloads/details.aspx?FamilyId=68C48DAD-BC34-40BE-8D85-6BB4F56F5110&displaylang=en

        [2] Release Notes
            http://support.microsoft.com/kb/936929

        [3] Windows XP Service Pack 3 Network Installation Package for IT 
            Professionals and Developers
            http://www.microsoft.com/downloads/details.aspx?FamilyID=5b33b5a8-5e76-401f-be08-1e1555d4f3d4&DisplayLang=en

AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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