National Cyber Alert System
Technical Cyber Security Alert TA10-223A
Adobe Flash and AIR Vulnerabilities
Original release date: August 11, 2010
Last revised: --
Source: US-CERT
Systems Affected
* Adobe Flash Player 10.1.53.64 and earlier 10.x versions
* Adobe Flash Player 9.0.277.0 and earlier 9.x versions
* Adobe AIR 2.0.2.12610 and earlier versions
* Adobe Reader 9.3.3 and earlier 9.x versions
Other Adobe products that support Flash may also be vulnerable.
Overview
According to Adobe Security Bulletin APSB10-16, there are
vulnerabilities in Adobe Flash and AIR. These vulnerabilities
affect Flash Player, AIR, and possibly other products that support
Flash. A remote attacker could exploit these vulnerabilities to
execute arbitrary code.
I. Description
Adobe Security Bulletin APSB10-16 describes vulnerabilities in
Adobe Flash that affect Flash Player and AIR. These vulnerabilities
may also affect other products that independently support Flash,
such as Adobe Reader, Acrobat, Photoshop, Photoshop Lightroom,
Freehand MX, and Fireworks.
An attacker could exploit these vulnerabilities by convincing a
user to open specially crafted Flash content. Flash content is
commonly hosted on a web page, but it can also be embedded in a PDF
and other documents or provided as a stand-alone file.
II. Impact
If a user opens specially crafted Flash content, a remote attacker
may be able to execute arbitrary code.
III. Solution
Update Flash and AIR
Adobe Security Bulletin APSB10-16 recommends updating to Flash
Player 10.1.82.76 or 9.0.280 and to AIR 2.0.3. This will update the
Flash web browser plug-in and ActiveX control, as well as AIR.
However, it will not update Flash support in Adobe Reader, Acrobat,
or other products.
To reduce your exposure to these and other Flash vulnerabilities,
consider the following mitigation technique.
Disable Flash in your web browser
Uninstall Flash or restrict which sites are allowed to run Flash.
To the extent possible, only run trusted Flash content on trusted
domains. For more information, see Securing Your Web Browser.
Additional workarounds are available in US-CERT Vulnerability Note
VU#660993.
IV. References
* Adobe Security Bulletin APSB10-16 -
<http://www.adobe.com/support/security/bulletins/apsb10-16.html>
* US-CERT Vulnerability Report VU#660993 -
<http://www.kb.cert.org/vuls/id/660993>
* Securing Your Web Browser -
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