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National Cyber Alert System
Technical Cyber Security Alert TA07-100A
Microsoft Updates for Multiple Vulnerabilities
Original release date: April 10, 2007
Last revised--
Source: US-CERT
Systems Affected
* Microsoft Windows
* Microsoft Content Management Server
* Microsoft Internet Explorer
Overview
Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows and Microsoft Content Management 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 and Microsoft Content Management Server as part of
the Microsoft Security Bulletin Summary for April 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.
These updates include a fix to address a previously disclosed
vulnerability in the Windows Client/Server Run-time Subsystem.
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 or launch cross-site scripting attacks.
III. Solution
Apply updates from Microsoft
Microsoft has provided updates for these vulnerabilities as part of
the Microsoft Security Bulletin Summary for April 2007. The Security
Bulletins describe any known issues related to the updates. Note any
known issues described in the Bulletins and test for any potentially
adverse effects in your operating system environment.
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 April 2007 updates - <http://www.kb.cert.org/vuls/byid?searchview&query=ms07-apr>
* Microsoft Security Bulletin Summary for April 2007 - <http://www.microsoft.com/technet/security/bulletin/ms07-apr.mspx>
* Microsoft Update - <https://update.microsoft.com/microsoftupdate/>
* Windows Server Update Services - <http://www.microsoft.com/windowsserversystem/updateservices/default.mspx>
* 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/TA07-100A.html>
____________________________________________________________________
Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@xxxxxxxx> with "TA07-100A Feedback VU#219848" in the
subject.
____________________________________________________________________
For instructions on subscribing to or unsubscribing from this
mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
___________________________________________________________________
Produced 2007 by US-CERT, a government organization.
Terms of use:
<http://www.us-cert.gov/legal.html>
____________________________________________________________________
Revision History
April 10, 2007: Initial release
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