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National Cyber Alert System
Technical Cyber Security Alert TA11-284A
Microsoft Updates for Multiple Vulnerabilities
Original release date: October 11, 2011
Last revised: --
Source: US-CERT
Systems Affected
* Microsoft Windows
* Microsoft .NET Framework
* Microsoft Silverlight
* Internet Explorer
* Microsoft Forefront Unified Access Gateway
* Microsoft Host Integration Server
Overview
There are multiple vulnerabilities in Microsoft Windows, .NET
Framework, Silverlight, Internet Explorer, Forefront Unified Access
Gateway, and Host Integration Server. Microsoft has released
updates to address these vulnerabilities.
I. Description
The Microsoft Security Bulletin Summary for October 2011 describes
multiple vulnerabilities in Microsoft Windows, .NET Framework,
Silverlight, Internet Explorer, Forefront Unified Access Gateway,
and Host Integration Server. Microsoft has released updates to
address the vulnerabilities.
II. Impact
A remote, unauthenticated attacker could execute arbitrary code,
cause a denial of service, or gain unauthorized access to your
files or system.
III. Solution
Apply updates
Microsoft has provided updates for these vulnerabilities in the
Microsoft Security Bulletin Summary for October 2011. That bulletin
describes any known issues related to the updates. Administrators
are encouraged to note these issues and test for any potentially
adverse effects. In addition, administrators should consider using
an automated update distribution system such as Windows Server
Update Services (WSUS).
IV. References
* Microsoft Security Bulletin Summary for October 2011 -
<http://technet.microsoft.com/en-us/security/bulletin/ms11-oct>
* Microsoft Windows Server Update Services -
<http://technet.microsoft.com/en-us/wsus/default.aspx>
____________________________________________________________________
The most recent version of this document can be found at:
<http://www.us-cert.gov/cas/techalerts/TA11-284A.html>
____________________________________________________________________
Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@xxxxxxxx> with "TA11-284A Feedback VU#127203" in
the subject.
____________________________________________________________________
For instructions on subscribing to or unsubscribing from this
mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
____________________________________________________________________
Produced 2011 by US-CERT, a government organization.
Terms of use:
<http://www.us-cert.gov/legal.html>
____________________________________________________________________
Revision History
October 11, 2011: Initial release
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