JPCERT-AT-2010-0019
JPCERT/CC
2010-08-03
<<< JPCERT/CC Alert 2010-08-03 >>>
Unscheduled patch released for vulnerability in Windows Shell
https://www.jpcert.or.jp/at/2010/at100019.txt
I. Overview
Microsoft has released an unscheduled security update for a
vulnerability in Windows Shell. The severity rating of this security
update is "Critical". A remote attacker could use this vulnerability
to execute arbitrary code.
According to Microsoft, it is confirmed that this vulnerability is
exploited in malware attacks. It is recommended to take necessary
measures immediately.
For further information about the vulnerability, refer to the
following URL:
Microsoft Security Bulletin MS10-046 - Critical
http://www.microsoft.com/japan/technet/security/bulletin/ms10-046.mspx
http://www.microsoft.com/technet/security/bulletin/MS10-046.mspx
II. Products Affected
Affected products and versions are as follows:
- Windows XP Service Pack 3
- Windows XP Professional x64 Edition Service Pack 2
- Windows Server 2003 Service Pack 2
- Windows Server 2003 x64 Edition Service Pack 2
- Windows Server 2003 with SP2 for Itanium-based Systems
- Windows Vista Service Pack 1 and Windows Vista Service Pack 2
- Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2
- Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2
- Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2
- Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2
- Windows 7 for 32-bit Systems
- Windows 7 for x64-based Systems
- Windows Server 2008 R2 for x64-based Systems
- Windows Server 2008 R2 for Itanium-based Systems
For more information, refer to the "Microsoft Security Bulletin
(MS10-046)".
III. Solution
Use means such as Microsoft Update or Windows Update to apply the
security update immediately.
Microsoft Update
https://www.update.microsoft.com/
Windows Update
https://windowsupdate.microsoft.com/
IV. Result of JPCERT/CC Verification
JPCERT/CC has confirmed that the exploit code executes before
applying the security update, and it does not execute after applying
the update.
V. References
Microsoft Security Bulletin MS10-046 - Critical
http://www.microsoft.com/japan/technet/security/bulletin/ms10-046.mspx
http://www.microsoft.com/technet/security/bulletin/MS10-046.mspx
Microsoft Security Bulletin Advance Notification for August 2010
http://www.microsoft.com/japan/technet/security/bulletin/ms10-aug.mspx
http://www.microsoft.com/technet/security/bulletin/ms10-aug.mspx
Microsoft Security Advisory (2286198)
Vulnerability in Windows Shell Could Allow Remote Code Execution
http://www.microsoft.com/japan/technet/security/advisory/2286198.mspx
http://www.microsoft.com/technet/security/advisory/2286198.mspx
Japan Security Team
Windows Shell vulnerability addressed on August 3, 2010 (unscheduled)
http://blogs.technet.com/b/jpsecurity/archive/2010/08/02/3347921.aspx
US-CERT Vulnerability Note VU#940193
Microsoft Windows automatically executes code specified in shortcut files
http://www.kb.cert.org/vuls/id/940193
If you have any further questions or information regarding this
alert, please contact JPCERT/CC.
======================================================================
JPCERT Coordination Center (JPCERT/CC)
MAIL: info@jpcert.or.jp
TEL: +81-3-3518-4600 FAX: +81-3-3518-4602
https://www.jpcert.or.jp/english/
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