US-CERT Technical Cyber Security Alert TA06-129A -- Microsoft Windows and Exchange Server Vulnerabilities

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                    National Cyber Alert System

            Technical Cyber Security Alert TA06-129A

Microsoft Windows and Exchange Server Vulnerabilities

Original release date: May 9, 2006
Last revised: –
Source: US-CERT

Systems Affected

 * Microsoft Windows
 * Microsoft Exchange Server

For more complete information, refer to the Microsoft Security
Bulletin Summary for May 2006.

Overview

Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows and Exchange 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 Security Bulletin Summary for May 2006 addresses
vulnerabilities in Microsoft Windows and Exchange Server. Further
information is available in the following US-CERT Vulnerability Notes:

VU#303452 - Microsoft Exchange fails to properly handle vCal and iCal
properties

Microsoft Exchange Server does not properly handle the vCal and iCal
properties of email messages. Exploitation of this vulnerability may
allow a remote, unauthenticated attacker to execute arbitrary code on
an Exchange Server.
(CVE-2006-0027)

VU#945060 - Adobe Flash products contain multiple vulnerabilities

Several vulnerabilities in Adobe Macromedia Flash products may allow a
remote attacker to execute code on a vulnerable system.
(CVE-2006-0024)

VU#146284 - Macromedia Flash Player fails to properly validate the
frame type identifier read from a "SWF" file

A buffer overflow vulnerability in some versions of the Macromedia
Flash Player may allow a remote attacker to execute code on a
vulnerable system.
(CVE-2005-2628)

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

Microsoft has provided updates for these vulnerabilities in the
Security Bulletins. Microsoft Windows updates are available on the
Microsoft Update site.

Workarounds

Please see the US-CERT Vulnerability Notes for workarounds.

Appendix A. References

 * Microsoft Security Bulletin Summary for May 2006 -
   <http://www.microsoft.com/technet/security/bulletin/ms06-may.mspx>

 * Technical Cyber Security Alert TA06-075A -
   <http://www.us-cert.gov/cas/techalerts/TA06-075A.html>

 * US-CERT Vulnerability Note VU#303452 -
   <http://www.kb.cert.org/vuls/id/303452>

 * US-CERT Vulnerability Note VU#945060 -
   <http://www.kb.cert.org/vuls/id/945060>

 * US-CERT Vulnerability Note VU#146284 -
   <http://www.kb.cert.org/vuls/id/146284>

 * CVE-2006-0027 -
   <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0027>

 * CVE-2006-0024 -
   <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0024>

 * CVE-2005-2628 -
   <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2628>

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

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

 <http://www.us-cert.gov/cas/techalerts/TA06-129A.html>

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Feedback can be directed to US-CERT Technical Staff. Please send
email to <[email protected]> with "TA06-129A Feedback VU#303452" in the
subject.

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Revision History

May 9, 2006: Initial release

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