Microsoft Releases Update for EMET

Number: AV16-034
Date: 23 February 2016

Purpose

The purpose of this advisory is to bring attention to a recent update to Microsoft EMET.

Assessment

CCIRC is aware of a vulnerability in the Microsoft Enhanced Mitigation Experience Toolkit (EMET) version prior to 5.5. Exploitation of this vulnerability may allow a remote attacker to bypass or disable EMET and take control of an affected system.

EMET is a project that adds security mitigations to user mode programs beyond those built into the operating system. It runs inside "protected" programs as a Dynamic Link Library (DLL), and makes various changes in order to make exploitation more difficult.

Affected Versions:
EMET prior to version 5.5

Suggested action

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

References

Microsoft EMET
https://technet.microsoft.com/en-us/security/jj653751

FireEye Research
https://www.fireeye.com/blog/threat-research/2016/02/using_emet_to_disabl.html

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.
http://www.publicsafety.gc.ca/cnt/ntnl-scrt/cbr-scrt/_fl/CCIRCPublicPGPKey.txt

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
E-mail: ps.communications-communications.sp@canada.ca

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