Hash: SHA1

             AUSCERT External Security Bulletin Redistribution

                          ESB-2009.0067 -- [Win]
         Symantec AppStream Client LaunchObj ActiveX Vulnerability
                              23 January 2009


        AusCERT Security Bulletin Summary

Product:              Symantec Appstream Client 5.2.X
Publisher:            CCIRC
Operating System:     Windows
Impact:               Execute Arbitrary Code/Commands
                      Denial of Service
                      Overwrite Arbitrary Files
Access:               Remote/Unauthenticated
CVE Names:            CVE-2008-4388

Original Bulletin:    

Revision History:     January 23 2009: Added CVE
                      January 19 2009: Initial Release

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Number: AV09-004
Date:   16 January 2009

Symantec AppStream Client LaunchObj ActiveX Vulnerability

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The purpose of this Advisory is to raise awareness of a critical vulnerability
in Symantec AppStream Client

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An attacker can exploit this issue by luring a user to download and execute
code via a malicious webpage. This could result in a browser crash or allow
unauthorized access to add, modify, overwrite or corrupt existing files on the
targeted system. Unauthorized access to the vulnerable control could result in
possible arbitrary code execution in the context of the client

Affected products:
Symantec AppStream Client 5.2.x All 5.2.X all Builds

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CCIRC recommends that administrators test and deploy the update for the
affected products available at the URL bellow;


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Note to readers

The Canadian Cyber Incident Response Centre (CCIRC) provides a focal point
for Canada's cyber threat and vulnerability warning, analysis and response.
CCIRC is responsible for assuring the resilience of national critical
infrastructure through monitoring threats and coordinating a federal response 
to cyber security incidents of national interest. CCIRC operates in conjunction
with the Government Operations Centre (GOC) within Public Safety Canada and is
a key component of the government's all-hazards approach to emergency 
management and national security.

For urgent matters or to report any incidents, please contact the GOC at:

Phone:      613-991-7000

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