Transcription of UEFI Firmware - Securing SMM
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UEFI Firmware - Securing SMM
Presented by uefi Firmware Securing SMM. uefi Spring Plugfest May 18-22, 2015. Presented by Dick Wilkins, Principal Technology Liaison Updated 2011-06-01. uefi Plugfest May 2015 1. Agenda Introduction SMM Attack Vectors Mitigation Strategies NX Protection in SMM. Closing Remarks uefi Plugfest May 2015 2. SMM is Under Attack uefi Plugfest May 2015 3. Introduction Why are we talking about this? We believe these vulnerabilities are widespread Some implementers may not be aware of their vulnerabilities We want to share our best practices in an effort to raise the level of security across the industry uefi Plugfest May 2015 4. SMM Attack Vectors uefi Plugfest May 2015 5. SMM Attack Vectors Corruption of SMRAM Contents Pass in a buffer ptr just below SMRAM and request a write SMRAM.
presented by UEFI Firmware –Securing SMM UEFI Spring Plugfest –May 18-22, 2015 Presented by Dick Wilkins, Ph.D. Principal Technology Liaison UEFI Plugfest –May 2015 www.uefi.org 1
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