Intel Security Advisory

Number: AV18-133
Date: 15 August 2018

Purpose

The purpose of this advisory is to bring attention to a recent public security advisory from Intel.

Assessment

Intel has issued a security advisory that addresses vulnerabilities in a speculative execution side-channel method called L1 Terminal Fault (L1TF). This method impacts select microprocessor products supporting Intel Software Guard Extensions (Intel SGX). A successful exploitation of this class of vulnerability may allow unauthorized disclosure of information residing in the L1 data cache.

Affected Products:

CVE References: CVE-2018-3615, CVE-2018-3620, CVE-2018-3646

Suggested Action

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

References:

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00161.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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