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Release date: December 18, 2007
Vulnerability identifier: APSB07-20
CVE number: CVE-2007-6242, CVE-2007- 4768, CVE-2007-5275, CVE-2007- 6243, CVE-2007- 6244, CVE-2007- 6245, CVE-2007-4324, CVE-2007- 6246, CVE-2007-5476
Platform: All platforms
Affected software versions: Adobe Flash Player 9.0.48.0 and earlier, 8.0.35.0 and earlier, and 7.0.70.0 and earlier.
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.
Adobe Flash Player 9.0.48.0 and earlier, 8.0.35.0 and earlier, and 7.0.70.0 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.
Adobe recommends all users of Adobe Flash Player 9.0.48.0 and earlier versions upgrade to the newest version 9.0.115.0, 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, Adobe has developed a patched version of Flash Player 7. Please refer to the Flash Player update TechNote.
Adobe categorizes this as a critical update and recommends affected users upgrade to version 9.0.115.0.
Multiple input validation errors have been identified in Flash Player 9.0.48.0 and earlier versions that could lead to the potential execution of arbitrary code. These vulnerabilities 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- 4768, CVE-2007-6242)
This update introduces functionality to mitigate a potential issue could potentially aid an attacker in executing a DNS rebinding attack. For more information, see the following Adobe Developer Center article. (CVE-2007-5275)
This update introduces a new, stricter method for Flash Player to interpret cross-domain policy files. These changes could help prevent privilege escalation attacks against web servers hosting Flash content and cross-domain policy files. For more information, see the following Adobe Developer Center article. (CVE-2007- 6243)
This update restricts the unsupported asfunction: protocol to address potential cross-site scripting issues with some SWF files. This issue is specific to Flash Player 8 and Flash Player 9 and does not affect Flash Player 7. (CVE-2007-6244)
This update makes changes to the navigateToURL function to prevent potential Universal Cross-Site Scripting attacks. This issue is specific to the Flash Player ActiveX Control and the Internet Explorer Browser. (CVE-2007-6244)
This update resolves an issue that could allow remote attackers to modify HTTP headers of client requests and conduct HTTP Request Splitting attacks. (CVE-2007-6245)
This update introduces functionality to mitigate a potential port-scanning issue. For more information, see the following Knowledgebase Article. (CVE-2007-4324)
The Linux update for Flash Player addresses a memory permissions issue that could lead to privilege escalation. (CVE-2007-6246)
The Mac update for Flash Player addresses the issue with Flash Player originally reported by Opera and described in Security Advisory APSA07-05. (CVE-2007-5476)
| Affected software | Recommended player update | Availability |
|---|---|---|
| Flash Player 9.0.48.0 and earlier | 9.0.115.0 | Player Download Center |
| Flash Player 9.0.48.0 and earlier - network distribution | 9.0.115.0 | Player Licensing |
| Flash CS3 Professional | 9.0.115.0 | Flash Player 9 Update for Flash CS3 Professional |
| Flash Player 9.0.48.0 and earlier for Linux | 9.0.115.0 | Player Download Center |
| Flex 2.0 | 9.0.115.0 | Flash Debug Player Updater |
With this security bulletin, Adobe is retiring support of Adobe Flash Player 7 and will no longer provide security updates for Flash Player 7 after this release. Adobe’s support policy for Adobe Flash Player is to support the current and previous major release. Flash Player 7 was previously updated with security fixes as a courtesy to customers on Microsoft Windows 95, Microsoft Windows /NT and Macintosh Classic operating systems, which were dropped with the Flash Player 8 release in September 2005, and to Linux and Solaris customers prior to the availability of Flash Player 9. Users who wish to continue to use Adobe Flash Player 7, can find archived installers in the Archived Flash Player Technote.
Adobe would like to thank Tavis Ormandy and Will Drewry of the Google Security Team for reporting input validation errors and for working with us to help protect our mutual customers’ security. (CVE-2007- 4768)
Adobe would like to thank Aaron Portnoy of TippingPoint DVLabs for reporting an input validation error and for working with us to help protect our mutual customers’ security. (CVE-2007-6242)
Adobe would like to thank Dan Boneh, Adam Barth, Andrew Bortz, Collin Jackson, and Weidong Shao of Stanford University for reporting the DNS rebinding issue and for working with us to help protect our customers’ security. (CVE-2007-5275)
Adobe would like to thank Toshiharu Sugiyama of UBsecure, Inc. and JPCERT/CC for reporting the cross-domain policy file issue and the HTTP header issue and for working with us to help protect our mutual customers’ security. (CVE-2007- 6243, CVE-2007- 6245)
Adobe would like to thank Rich Cannings of the Google Security Team for reporting the asfunction: issue and for working with us to help protect our mutual customers’ security. (CVE-2007- 6244)
Adobe would like to thank Collin Jackson and Adam Barth of Stanford University for reporting the navigateToURL issue and for working with us to help protect our customers’ security. (CVE-2007- 6244)
Adobe would like to thank Jesse Michael and Thomas Biege of SUSE for reporting the privilege escalation issues with the Linux version of Flash Player and for working with us to help protect our customers' security. (CVE-2007-6246)
Adobe would like to thank Opera for reporting the issue with the Mac version of Flash Player and for working with us to help protect our mutual customers' security. (CVE-2007-5476)
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January 29, 2008 — Security bulletin updated due to availability of Solaris version
December 18, 2007 — Security bulletin first created
Copyright © 2008 Adobe Systems Incorporated. All rights reserved.
Use of this website signifies your agreement to the Terms of Use and Online Privacy Policy (updated 03-30-2007).
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