EMET 4.0 Released

Tuesday, June 18, 2013 @ 08:06 PM gHale

Microsoft released of version 4.0 of its Enhanced Mitigation Experience Toolkit (EMET), a free utility that helps prevent memory corruption vulnerabilities in software from suffering exploitation for code execution.

This latest version has a redesigned user interface and addresses known application compatibility issues.

EMET 4.0 Enables Certificate Pinning
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A new exception to the SSL certificate pinning rules ended up added in. If enabled, it makes EMET verify just the Public Key component of the Root CAs present in the rule without matching subject name and serial number.

The Certificate Trust feature is also available on 64-bit versions of Internet Explorer, and new rules for Twitter, Facebook, and Yahoo! added in to the previous default ones for Microsoft online services.

“When an exploitation attempt is detected and blocked by EMET, a set of information related to the attack is prepared with the Microsoft Error Reporting (MER) functionality. For enterprise customers collecting error reports via tools like Microsoft Desktop Optimization Package or the Client Monitoring feature of System Center Operations Manager, these error reports can be triaged locally and used as an early warning program indicating possible attacks against the corporate network,” said the EMET team two months ago when introducing the beta version of EMET 4.0.

In addition to strengthened mitigation and bypass-blocking techniques, the new version occasionally also allows users to switch to “Audit Mode,” which allows them to report an exploitation attempt but not terminate the application. This option is not on by default.

Finally, Group Policy profiles updated to include the ability to configure system and application mitigations, the reporting mechanisms, the advanced mitigation configurations, and the exploit action.

Click here to download the toolkit.

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