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National Cyber Alert System
Technical Cyber Security Alert TA07-226A
Microsoft Updates for Multiple Vulnerabilities
Original release date: August 14, 2007
Last revised: --
Source: US-CERT
Systems Affected
* Microsoft Windows
* Microsoft Internet Explorer
* Microsoft Windows Media Player
* Microsoft Office
* Microsoft Office for Mac
* Microsoft XML Core Services
* Microsoft Visual Basic
* Microsoft Virtual PC
* Microsoft Virtual Server
Overview
Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows, Internet Explorer, Windows Media Player, Office,
Office for Mac, XML Core Services, Visual Basic, Virtual PC, and
Virtual Server. Exploitation of these vulnerabilities could allow a
remote, unauthenticated attacker to execute arbitrary code or cause a
denial of service on a vulnerable system.
I. Description
Microsoft has released updates to address vulnerabilities that affect
Microsoft Windows, Internet Explorer, Windows Media Player, Office,
Office for Mac, XML Core Services, Visual Basic,Virtual PC, and
Virtual Server as part of the Microsoft Security Bulletin Summary for
August 2007. The most severe vulnerabilities could allow a remote,
unauthenticated attacker to execute arbitrary code or cause a denial
of service on a vulnerable system.
Further information about the vulnerabilities addressed by these
updates is available in the Vulnerability Notes Database
II. Impact
A remote, unauthenticated attacker could execute arbitrary code on a
vulnerable system. An attacker may also be able to cause a denial of
service.
III. Solution
Apply updates from Microsoft
Microsoft has provided updates for these vulnerabilities in the August
2007 Security Bulletins. The Security Bulletins describe any known
issues related to the updates. Administrators are encouraged to note
any known issues that are described in the Bulletins and test for any
potentially adverse effects.
Updates for Microsoft Windows and Microsoft Office XP and later are
available on the Microsoft Update site. Microsoft Office 2000 updates
are available on the Microsoft Office Update site. Apple Mac OS X
users should obtain updates from the Mactopia web site.
System administrators may wish to consider using an automated patch
distribution system such as Windows Server Update Services (WSUS).
IV. References
* US-CERT Vulnerability Notes for Microsoft August 2007 updates -
http://www.kb.cert.org/vuls/byid?sea...query=ms07-aug
* Securing Your Web Browser -
http://www.us-cert.gov/reading_room/securing_browser/
* Microsoft Security Bulletin Summary for August 2007 -
http://www.microsoft.com/technet/sec.../ms07-aug.mspx
* Microsoft Update - https://update.microsoft.com/microsoftupdate/
* Microsoft Office Update - http://officeupdate.microsoft.com/
* Windows Server Update Services -
http://www.microsoft.com/windowsserv...s/default.mspx
* Mactopia - http://www.microsoft.com/mac/
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The most recent version of this document can be found at:
http://www.us-cert.gov/cas/alerts/TA07-226A.html
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