Technical Cyber Security Alert 2011-284A - 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.
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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>
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The most recent version of this document can be found at:
<http://www.us-cert.gov/cas/techalerts/TA11-284A.html>
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Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@cert.org> with "TA11-284A Feedback VU#127203" in
the subject.
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Produced 2011 by US-CERT, a government organization.
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Revision History
October 11, 2011: Initial release
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