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National Cyber Alert System
Technical Cyber Security Alert TA07-191A
Microsoft Updates for Multiple Vulnerabilities
Original release date: July 10, 2007
Last revised: --
Source: US-CERT
Systems Affected
* Microsoft Windows
* Microsoft Excel
* Microsoft Publisher
* Microsoft .NET Framework
* Microsoft Internet Information Services (IIS)
* Microsoft Windows Vista Firewall
Overview
Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows, Excel, Publisher, .NET Framework, Internet
Information Services, and Windows Vista Firewall. 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, Excel, Publisher, .NET Framework, Internet
Information Services, and Windows Vista Firewall as part of the
Microsoft Security Bulletin Summary for July 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 July
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.
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 July 2007 updates -
<http://www.kb.cert.org/vuls/byid?searchview&query=ms07-jul>
* Securing Your Web Browser -
<http://www.us-cert.gov/reading_room/securing_browser/>
* Microsoft Security Bulletin Summary for July 2007 -
<http://www.microsoft.com/technet/security/bulletin/ms07-jul.mspx>
* Microsoft Update - <https://update.microsoft.com/microsoftupdate/>
* Microsoft Office Update - <http://officeupdate.microsoft.com/>
* Windows Server Update Services -
<http://www.microsoft.com/windowsserversystem/updateservices/default.mspx>
____________________________________________________________________
The most recent version of this document can be found at:
<http://www.us-cert.gov/cas/techalerts/TA07-191A.html>
____________________________________________________________________
Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@xxxxxxxx> with "TA07-191A Feedback VU#487905" 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
July 10, 2007: Initial release
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