Release date: July 22, 2009
Last Updated: July 23, 2009
Vulnerability identifier: APSA09-03
CVE number: CVE-2009-1862
Platform: All Platforms
SUMMARY
A critical vulnerability exists in the current versions of Flash Player (v9.0.159.0 and v10.0.22.87) for Windows, Macintosh and Linux operating systems, and the authplay.dll component that ships with Adobe Reader and Acrobat v9.x for Windows, Macintosh and UNIX operating systems. This vulnerability (CVE-2009-1862) could cause a crash and potentially allow an attacker to take control of the affected system. There are reports that this vulnerability is being actively exploited in the wild via limited, targeted attacks against Adobe Reader v9 on Windows.
We are in the process of developing a fix for the issue, and expect to provide an update for Flash Player v9 and v10 for Windows, Macintosh, and Linux by July 30, 2009 (the date for Flash Player v9 and v10 for Solaris is still pending). We expect to provide an update for Adobe Reader and Acrobat v9.1.2 for Windows, Macintosh and UNIX by July 31, 2009.
Deleting, renaming, or removing access to the authplay.dll file that ships with Adobe Reader and Acrobat v9.x mitigates the threat for those products, but users will experience a non-exploitable crash or error message when opening a PDF that contains SWF content. Depending on the product, the authplay.dll that ships with Adobe Reader and Acrobat 9.x for Windows is typically located at C:\Program Files\Adobe\Reader 9.0\Reader\authplay.dll or C:\Program Files\Adobe\Acrobat 9.0]\Acrobat\authplay.dll. Windows Vista users should consider enabling UAC (User Access Control) to mitigate the impact of a potential exploit. Flash Player users should exercise caution in browsing untrusted websites. Adobe is in contact with Antivirus and Security vendors regarding the issue and recommend users keep their anti-virus definitions up to date.
Users may monitor the latest information on the Adobe Product Security Incident Response Team blog at the following URL: http://blogs.adobe.com/psirt or by subscribing to the RSS feed here: http://blogs.adobe.com/psirt/atom.xlm.
AFFECTED SOFTWARE VERSIONS
Adobe Reader and Acrobat 9.1.2 and earlier 9.x versions
Adobe Flash Player 9.0.159.0 and 10.0.22.87 and earlier 9.x and 10.x versions
SEVERITY RATING
Adobe categorizes this as a critical update.
REVISIONS
July 23, 2009 - Advisory updated with date of Adobe Reader for UNIX update
July 22, 2009 - Advisory first created
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