Trend Micro threat analysts were alerted to the discovery of a zero-day exploit that affects Adobe Reader and Acrobat 9.1.3 and earlier versions (CVE-2009-3459). Trend Micro detects this as TROJ_PIDIEF.UO. This .PDF file contains an embedded JavaScript, which Trend Micro detects as JS_AGENTT.DT. This JavaScript is used to execute arbitrary codes in a technique known as heap spraying. In addition, there is a possibility that a future variant may be created that does not use JavaScript to exploit the said vulnerability.

Read more: http://blog.trendmicro.com/new-adobe-zero-day-exploit/

Now systems engineers have to deploy Adobe Reader 9.2 with a release date of 13 October 2009 or later.

How to silent install Adobe Reader:

1. Download the executable to install Adobe Reader 9.2 from the Adobe website.

2. Download the Customization Wizard: http://www.adobe.com/support/downloads/detail.jsp?ftpID=3993

3. Place the executable installer file from Adobe to a temp directory, example: C:\temp

4. Do not install the executable but unpack the installer file wiyh the following command: AdbeRdr920_nl_NL.exe -nos_o"Reader9" -nos_ne

5. Check "C:\temp\Reader9". The install files are extracted here.

6. Install the Customization Wizard, open your project file (.MSI) make your modifications and save your project. There will be a .mst file in "C:\temp\Reader9" now.

7. Use the following command to install Silent: msiexec.exe /i AcroRead.msi TRANSFORMS="AcroRead.mst" /qn

About the author: Brian Chin (Systems Engineer)

Visit the Author's website: http://www.12pressrelease.com

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