Home Programs Emergency management Response CCIRC Analytical releases2 AV06-039: Microsoft Security Bulletin MS06-055 - Vulnerability in Vector Markup Language Could Allow Remote Code Execution (925486)

Microsoft Security Bulletin MS06-055 - Vulnerability in Vector Markup Language Could Allow Remote Code Execution (925486)

Number: AV06-039
Date: 26 September 2006

Purpose

The purpose of this advisory is to bring attention to a vulnerability that exists in the Vector Markup Language (VML) implementation in Microsoft Windows.

Assessment

A remote code execution vulnerability exists in the Vector Markup Language (VML) implementation in Microsoft Windows that may allow an attacker to exploit the vulnerability by constructing a specially crafted Web page or HTML e-mail that could potentially allow remote code execution if a user visited the Web page or viewed the message. An attacker who successfully exploited this vulnerability could take complete control of an affected system.

The following software is affected:

• Microsoft Windows XP Service Pack 1
• Microsoft Windows XP Service Pack 2
• Microsoft Windows XP Professional x64 Edition
• Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1
• Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based Systems
• Microsoft Windows Server 2003 x64 Edition

The following components are affected:

• Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 Service Pack 4
• Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 4

Microsoft has also released the following Vulnerability Identifier:

• VML Buffer Overrun Vulnerability - CVE-2006-4868
  

Suggested action

PSEPC recommends that administrators test and apply the latest security patch at the earliest opportunity.

For more information and instructions, please refer to:

http://www.microsoft.com/technet/security/Bulletin/MS06-055.mspx

Note to readers

Canadian Cyber Incident Response Centre (CCIRC) collects information related to cyber threats to, and incidents involving, Canadian critical infrastructure. This allows us to monitor and analyze threats and to issue alerts, advisories and other information products. To report threats or incidents, please contact the Government Operations Centre (GOC) at 613-991-7000 or goc-cog@psepc-sppcc.gc.ca by e-mail.

Unauthorized use of computer systems and mischief in relation to data are serious Criminal Code offences in Canada. Any suspected criminal activity should be reported to local law enforcement organizations. The Royal Canadian Mounted Police (RCMP) National Operations Centre (N.O.C.) provides a 24/7 service to receive such reports or to redirect callers to local law enforcement organizations. The N.O.C. can be reached at 613-993-4460. National security concerns should be reported to the Canadian Security Intelligence Service (CSIS) at 613-993-9620.

For urgent matters or to report any incidents, please contact the Government Operations Centre at:

Phone: 613-991-7000
Fax: 613-996-0995
Secure Fax: 613-991-7094
Email: goc-cog@psepc-sppcc.gc.ca

For general information on critical infrastructure protection and emergency preparedness, please contact PSEPC's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589
E-mail: communications@psepc-sppcc.gc.ca