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Security bulletin

Flash Player update available to address security vulnerabilities

Release date: July 10, 2007

Vulnerability identifier: APSB07-12

CVE number: CVE-2007-3456, CVE-2007-3457, CVE-2007-2022

Platform: All platforms

Summary

Critical vulnerabilities have been identified in Adobe Flash Player that could allow an attacker who successfully exploits these potential vulnerabilities to take control of the affected system. A malicious SWF must be loaded in Flash Player by the user for an attacker to exploit these potential vulnerabilities. Users are recommended to update to the most current version of Flash Player available for their platform.

Affected software versions

Adobe Flash Player 9.0.45.0 and earlier, 8.0.34.0 and earlier, and 7.0.69.0 and earlier.

To verify the Adobe Flash Player version number, access the About Flash Player page, or right-click on Flash content and select “About Adobe (or Macromedia) Flash Player” from the menu. If you use multiple browsers, perform the check for each browser you have installed on your system.

Solution

Adobe recommends all users of Adobe Flash Player 9.0.45.0 and earlier versions upgrade to the newest version 9.0.47.0 (Win, Mac, Solaris) or 9.0.48.0 (Linux), by downloading it from the Player Download Center, or by using the auto-update mechanism within the product when prompted.

For customers who cannot upgrade to Adobe Flash Player 9, Adobe has developed a patched version of Flash Player 7. Please refer to the Flash Player update TechNote.

Severity rating

Adobe categorizes this as a critical issue and recommends affected users upgrade to version 9.0.47.0 (Win, Mac, Solaris) or 9.0.48.0 (Linux).

Details

An input validation error has been identified in Flash Player 9.0.45.0 and earlier versions that could lead to the potential execution of arbitrary code. This vulnerability could be accessed through content delivered from a remote location via the user’s web browser, email client, or other applications that include or reference the Flash Player. (CVE-2007-3456)

An issue with insufficient validation of the HTTP Referer has been identified in Flash Player 8.0.34.0 and earlier. This issue does not affect Flash Player 9. This issue could potentially aid an attacker in executing a cross-site request forgery attack. (CVE-2007-3457)

The Linux and Solaris updates for Flash Player 7 (7.0.70.0) address the issues with Flash Player and the Opera and Konqueror browsers described in Security Advisory APSA07-03. These issues do not impact Flash Player 9 on Linux or Solaris. (CVE-2007-2022)

Affected software Recommended player update Availability
Flash Player 9.0.45.0 and earlier

9.0.47.0

Player Download Center

Flash Player 9.0.45.0 and earlier — network distribution

9.0.47.0

Player Licensing

Flash Player 9.0.45.0 and earlier for Linux

9.0.48.0

Player Download Center

Flash CS3 Professional

9.0.47.0

Flash Player 9 Update for Flash CS3 Professional

Flash Professional 8, Flash Basic

8.0.35.0

Flash Player 8 Update for Flash Professional 8, Flash Basic

Flex 2.0

9.0.47.0

Flash Debug Player Updater

Acknowledgments

Adobe would like to thank Stefano DiPaola, Elia Florio and Giorgio Fedon for reporting the input validation error (CVE-2007-3456) and for working with us to help protect our customers’ security.

Adobe would like to thank Daiki Fukumori of Secure Sky Technology, Inc. for reporting the HTTP Referer vulnerability (CVE-2007-3457) and for working with us to help protect our customers' security.

Adobe would like to thank Mark Hills for reporting the issues with Flash Player and the Opera and Konqueror browsers previously described in Security Advisory APSA07-03 (CVE-2007-2022) and for working with Opera to help protect our mutual customers' security.

Revisions

July 10, 2007 — Security bulletin first created.

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