Afectados Microsoft Agent, Cristal Reports para Visual Studio, Windows
Services for Unix, Msn Messenger

National Cyber Alert System

Technical Cyber Security Alert TA07-254A


Microsoft Updates for Multiple Vulnerabilities

Original release date: September 11, 2007
Last revised: --
Source: US-CERT


Systems Affected

* Microsoft Windows
* Microsoft Visual Studio
* Microsoft Windows Services for Unix
* Microsoft MSN Messenger


Overview

Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows, Microsoft Visual Studio, Microsoft Windows
Services for Unix, and Microsoft MSN Messenger. 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, Microsoft Visual Studio, Microsoft Windows Services
for Unix and Microsoft MSN Messenger as part of the Microsoft Security
Bulletin Summary for September 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
September 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 should consider using an automated patch
distribution system such as Windows Server Update Services (WSUS).


IV. References

* US-CERT Vulnerability Notes for Microsoft September 2007 updates -


* Microsoft Security Bulletin Summary for September 2007 -


* Microsoft Update -


* Windows Server Update Services -




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The most recent version of this document can be found at:


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Feedback can be directed to US-CERT Technical Staff. Please send
email to with "TA07-254A Feedback VU#716872" in the
subject.
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Produced 2007 by US-CERT, a government organization.

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Revision History

September 11, 2007: Initial release

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