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AA-2009.0106                  AUSCERT Advisory

                                  [Linux]
               Adobe Reader: Execute Arbitrary Code/Commands
                                1 May 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              Adobe Reader 8.1.4
                      Adobe Reader 9.1
Operating System:     Linux variants
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2009-1492 CVE-2009-1493
Member content until: Wednesday, May 27 2009

Revision History:  May 1 2009: Added CVEs
                      April 29 2009: Initial Release

OVERVIEW:

       A number of vulnerabilities have been identified in Adobe Reader for
       Linux, versions 8.1.4 and 9.1.


IMPACT:

      These vulnerabilities have been identified in two Adobe Reader
      JavaScript functions, 'getAnnots()' and 'spellcustomDictionaryOpen()',
      and could potentially allow the execution of arbitrary code. [1,2]


MITIGATION:

      At present there are no patches available, however Adobe has stated
      that they are currently investigating the vulnerability relating to
      the JavaScript function 'getAnnots()'. [3] These vulnerabilities can
      be mitigated by disabling JavaScript within Adobe Reader, and only 
      opening .PDF files from trusted sources.


REFERENCES:

       [1] Adobe Reader 'getAnnots()' JavaScript Function Remote Code 
           Execution Vulnerability
           http://www.securityfocus.com/bid/34736/info

       [2] Adobe Reader 'spell.customDictionaryOpen()' JavaScript Function
           Remote Code Execution Vulnerability
           http://www.securityfocus.com/bid/34740/discuss

       [3] Adobe Product Security Incident Response Team (PSIRT): Potential 
           Adobe Reader Issue
           http://blogs.adobe.com/psirt/2009/04/potential_adobe_reader_issue.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

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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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