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National Cyber Alert System
Technical Cyber Security Alert TA10-263A
Adobe Flash Vulnerabilities
Original release date: September 20, 2010
Last revised: --
Source: US-CERT
Systems Affected
* Adobe Flash Player 10.1.82.76 and earlier versions
* Adobe Flash Player 10.1.92.10 for Android
* Adobe Reader 9.3.4 and earlier 9.x versions
Other Adobe products that support Flash may also be vulnerable.
Overview
According to Adobe Security Bulletin APSB10-22 there are
vulnerabilities in Adobe Flash. These vulnerabilities affect Flash
Player, Reader, and possibly other products that support Flash. A
remote attacker could exploit these vulnerabilities to execute
arbitrary code.
I. Description
Adobe Security Bulletin APSB10-22 describes vulnerabilities in
Adobe Flash that affect Flash Player. 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
Adobe Security Bulletin APSB10-22 recommends updating to Flash
Player 10.1.85.3 for Windows, Mac OS, Linux, and Solaris and Flash
Player 10.1.95.1 for Android. However, products like Adobe Reader
with embedded Flash will require their own security updates.
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#275289.
IV. References
* Adobe Security Bulletin APSB10-22 -
<http://www.adobe.com/support/security/bulletins/apsb10-22.html>
* US-CERT Vulnerability Report VU#275289 -
<http://www.kb.cert.org/vuls/id/275289>
* Securing Your Web Browser -
<http://www.us-cert.gov/reading_room/securing_browser/>
____________________________________________________________________
The most recent version of this document can be found at:
<http://www.us-cert.gov/cas/techalerts/TA10-263A.html>
____________________________________________________________________
Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@xxxxxxxx> with "TA10-263A Feedback VU#275289" in
the subject.
____________________________________________________________________
For instructions on subscribing to or unsubscribing from this
mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
____________________________________________________________________
Produced 2010 by US-CERT, a government organization.
Terms of use:
<http://www.us-cert.gov/legal.html>
____________________________________________________________________
Revision History
September 20, 2010: Initial release
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