US-CERT Technical Cyber Security Alert TA07-128A -- Microsoft Updates for Multiple Vulnerabilities

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National Cyber Alert System

Technical Cyber Security Alert TA07-128A

Microsoft Updates for Multiple Vulnerabilities

Original release date: May 8, 2007
Last revised--
Source: US-CERT

Systems Affected

* Microsoft Windows
* Microsoft Windows Server
* Microsoft Internet Explorer
* Microsoft Office for Windows and Mac OS X
* Microsoft Exchange
* Microsoft CAPICOM
* Microsoft BizTalk

Overview

Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows, Internet Explorer, Office, Exchange,
Cryptographic API Component Object Model (CAPICOM), and BizTalk.
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, Office, Exchange, CAPICOM, and
BizTalk as part of the Microsoft Security Bulletin Summary for May
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.

In addition a previously disclosed vulnerability in Microsoft DNS RPC
is addressed in this update.

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 May
2007 Security Bulletins. 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
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 May 2007 updates -
<http://www.kb.cert.org/vuls/byid?searchview&query=ms07-may>

* Technical Cyber Security Alert TA07-103A: Microsoft Windows DNS
RPC Buffer Overflow -
<http://www.us-cert.gov/cas/techalerts/TA07-103A.html>

* Securing Your Web Browser -
<http://www.us-cert.gov/reading_room/securing_browser/>

* Microsoft Security Bulletin Summary for May 2007 -
<http://www.microsoft.com/technet/security/bulletin/ms07-may.mspx>

* Microsoft Update - <https://update.microsoft.com/microsoftupdate/>

* Microsoft Office Update - <http://officeupdate.microsoft.com/>

* Microsoft Office for Mac Update - <http://www.microsoft.com/mac/>

* 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/TA07-128A.html>
____________________________________________________________________

Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@cert.org> with "TA07-128A Feedback VU#853184" 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

May 8, 2007: Initial release

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