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AA-2009.0113                  AUSCERT Advisory

                                   [Win]
                           AVG: Reduced Security
                                11 May 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              AVG Anti-Virus Network Edition (prior to engine build 
                        8.5 323)
                      AVG Internet Security Netzwerk Edition (prior to 
                        engine build 8.5 323)
                      AVG Server Edition für Linux/FreeBSD (prior to engine 
                        build 8.5 323)
                      AVG eMail Server Edition (prior to engine build 
                        8.5 323)
                      AVG File Server Edition (prior to engine build 8.5 323)
                      AVG Internet Security SBS Edition (prior to engine 
                        build 8.5 323)
                      AVG Anti-Virus SBS Edition (prior to engine build 
                        8.5 323)
                      AVG Anti-Virus plus Firewall (prior to engine build 
                        8.5 323)
                      AVG Anti-Virus (prior to engine build 8.5 323)
Operating System:     Windows
Impact:               Reduced Security
Access:               Remote/Unauthenticated
Member content until: Monday, June 08 2009

Original Bulletin:    http://www.avg.com/223363

OVERVIEW:

      A vulnerability has been identified in a number of Grisoft's AVG 
      Antivirus products prior to engine build 8.5 323.


IMPACT:

      There is a limitation which prevents the engine from inspecting CAB 
      and ZIP files, thereby also preventing detection of malicious code or 
      viruses within them. [1]
      

MITIGATION:

      Upgrade to the latest version. [1]


REFERENCES:

      [1] Program update AVG 8.5.323 SP1
          http://www.avg.com/223363

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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