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 VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. 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