From the Adobe Secure Software Engineering Team (ASSET) Blog:
Today's release of Flash Player contains a new background updater. This new background updater will allow Windows users to choose an automatic update option for future Flash Player updates.
If you read this September 2011 CSIS report, then you saw that 99.8 percent of malware installs through exploit kits are targeting out-of-date software installations. This point was reiterated recently in volume 11 of the Microsoft Security Intelligent Report. Also, attackers have been taking advantage of users trying to manually search for Flash Player updates by buying ads on search engines pretending to be legitimate Flash Player download sites. Improving the update process is probably the single most important challenge we can tackle for our customers at this time.
Overview of the background updater design:
A full technical description of the new background updater design is available on DevNet, but here are the highlights:
After a successful installation of Adobe Flash Player 11.2, users will be presented with a dialog box to choose an update method. The following three update options are available to users:
• Install updates automatically when available (recommended)
• Notify me when updates are available
• Never check for updates (not recommended)
[Screenshot: Flash Player 11.2 Installer]
For our initial release, we have set the new background updater to check for updates once an hour until it gets a response from Adobe. If the response says there is no new update, then it will wait 24 hours before checking again. We accomplish this through the Windows Task Scheduler to avoid running a background service on the system. If you are running multiple browsers on your system, the background updater will update every browser. This will solve the problem of end-users having to update Flash Player for Internet Explorer separately from Flash Player for their other open-source browsers. Google Chrome users, who have the integrated Flash Player, will still be updated through the Chrome update system.
Additionally, the user can change their update preferences at any time via the Flash Player Settings Manager, which for Windows users can be accessed via the Control Panel > Flash Player. In the Flash Player Settings Manager, the update preferences can be found and selected in the "Advanced" tab under "Updates."
[Screenshot: Flash Player Settings Manager]
Organizations with managed environments do have the capability to disable the background updater feature through the Flash Player mms.cfg file. Also, those users who want to be notified of updates and do not want to be silently updated can continue to use the existing update mechanism. Lastly, the background updater feature is currently Windows-only for Windows XP and newer operating systems. A Mac version is currently under development.
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