Microsoft Out-of-Band Security Bulletin January 2013

Number: AV13-001 Update
Date: 14 January 2013


The purpose of this advisory is to bring attention to a critical out-of-band Microsoft Security Bulletin which addresses critical vulnerability in Microsoft Internet Explorer.


Microsoft has released the following security bulletin :

MS13-008: Security Update for Internet Explorer (2799329)
Details: The vulnerability could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user.
The security update addresses the vulnerability by modifying the way that Internet Explorer handles objects in memory.
Maximum Security Impact: Remote Code Execution
Aggregate Severity Rating: Critical
Maximum Exploitability Index:  Exploit code likely
Affected Products: Internet Explorer 6, 7, and 8
CVE References: CVE-2012-4792

Suggested action

CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.


Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589

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