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                         AUSCERT Security Bulletin

                              ASB-2009.1026.4
         Adobe Reader, Acrobat and Flash Player Zero Day Reported
                               3 August 2009

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Adobe Flash
                      Adobe Acrobat
                      Adobe Reader
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:           Patch
CVE Names:            CVE-2009-2495 CVE-2009-2493 CVE-2009-1870
                      CVE-2009-1869 CVE-2009-1868 CVE-2009-1867
                      CVE-2009-1866 CVE-2009-1864 CVE-2009-1863
                      CVE-2009-1862 CVE-2009-0901 CVE-2008-6873
Member content until: Saturday, August 22 2009
Reference:            ASB-2009.1026.3
                      ESB-2009.1122
                      ESB-2009.1118
                      ESB-2009.1102
                      ESB-2009.1101

Revision History:     August  3 2009: Adobe Acrobat and Adobe Reader Updates 
                                      released, CVEs and References added
                      July   31 2009: Flash Player Update Released
                      July   24 2009: Added CVE References
                      July   23 2009: Initial Release

OVERVIEW

        A vulnerability has been reported in multiple Adobe products which
        is currently being exploited.
        
        Adobe has released updates for Adobe Flash Player, Adobe Reader and 
        Adobe Acrobat.


IMPACT

        Current reports indicate that successful exploitation of this
        vulnerability can result in the execution of arbitrary code. [1]
        
        PDF files and Flash movies are some of the vectors being used to
        exploit this vulnerability. In the meantime users can disable the
        Flash plugin and not open PDF files from untrusted sources. As
        exploit code has been seen in legitimate websites, users should 
        also consider disabling Flash and PDF extensions in their web
        browsers.


MITIGATION

        Adobe has released an update for Flash Player 10 (version 10.0.32.18)
        and 9 (version 9.0.246.0) as well as Adobe AIR (version 1.5.2). [3]
        
        Adobe has also released updates for Adobe Reader (version 9.1.3) and 
        Adobe Acrobat (version 9.1.3). [3]
        
        Solaris users currently have no update for Adobe Reader or Adobe
        Flash Player. No timeline for Solaris has been provided by Adobe.
        
        US-CERT have also recommended that Windows administrators rename
        the affected dll's until fixes are made available. [2]


REFERENCES

        [1] YA0D (Yet Another 0-Day) in Adobe Flash player
            http://isc.sans.org/diary.html?storyid=6847

        [2] Adobe Reader, Acrobat and Flash Player Vulnerability
            http://www.us-cert.gov/current/index.html#adobe_reader_acrobat_and_flash

        [3] Adobe - Security Bulletins: APSB09-10 Security updates available
            for Adobe Flash Player, Adobe Reader and Acrobat
            http://www.adobe.com/support/security/bulletins/apsb09-10.html

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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