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Security bulletin

Update available for potential HTTP header injection vulnerabilities in Adobe Flash Player

Release date: November 14, 2006

Vulnerability identifier: APSB06-18

CVE number: CVE-2006-5330

Platform: All Platforms

Summary

Adobe has provided a Flash Player updates to resolve potential vulnerabilities in Adobe Flash Player. These vulnerabilities could allow remote attackers to modify HTTP headers of client requests and conduct HTTP Request Splitting attacks.

Affected software versions

Adobe Flash Player 9.x, 8.x, and 7.x. The custom-header addition feature was added starting with Adobe Flash Player 7, thus Flash Player 6 and earlier are not affected.

To verify the Adobe Flash Player version number, access the About Flash Player page, or right-click on Flash content and select “About 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 9.0.20.0 and earlier versions upgrade to the newest version 9.0.28.0, 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, please refer to the Flash Player update TechNote.

Severity rating

Adobe categorizes this as an important issue and recommends affected users upgrade to version 9.0.28.0.

Details

Adobe has provided an update to resolve vulnerabilities in Adobe Flash Player. These vulnerabilities would allow remote attackers to modify HTTP headers of client requests and conduct HTTP Request Splitting attacks. The flexibility of the attack varies depending on the type of web browser being used.

Flash Player 8 update (8.0.34.0), and Flash Player 7 update (7.0.67.0 or 7.0.69.0) address security vulnerabilities in previous versions of Flash Player. Updated versions of Flash Player 7 for Linux and Solaris, which contain fixes for these vulnerabilities, are also available from the Adobe Player Download Center.

Affected software Recommended player update Availability
Flash Player 9.0.20.0 and earlier 9.0.28.0 Player Download Center
Flash Player 9.0.20.0 and earlier - network distribution 9.0.28.0 Player Licensing
Flash Player 7.0.68.0 and earlier (Linux) 7.0.69.0 Player Download Center
Flash Player 7.0.66.0 and earlier (Solaris) 7.0.67.0 Player Download Center
Flash Professional 8, Flash Basic 8.0.34.0 Flash Player 8 Update for Flash Professional 8, Flash Basic
Flash MX 2004 7.0.69.0 Flash Player 7 Update for Flash MX 2004 and Flash MX Professional 2004
Flex 2.0 9.0.28.0 Flash Debug Player Updater

Revisions

December 6, 2006 — Security Bulletin updated.
November 14, 2006 — Security Bulletin first created.

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