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Some Motherboards Plagued by BIOS Firmware Implementation Flaws

Motherboard

Alex Matrosov, a security researcher for Cylance, has discovered several flaws in how some motherboard vendors implemented Intel's UEFI BIOS firmware into their products.

These flaws allow an attacker to bypass BIOS firmware protections, such as Intel Boot Guard and Intel BIOS Guard, to disable and alter UEFI BIOS firmware, such as placing a rootkit.

Matrosov presented his findings at the Black Hat USA 2017 security conference held in Las Vegas in August.

Flaws found in at least four motherboard series

In total, Matrosov found six vulnerabilities in four motherboards he tested, according to an interview he gave before the conference:

ASUS Vivo Mini - CVE-2017-11315 Lenovo ThinkCentre systems - CVE-2017-3753 MSI Cubi2 - CVE-2017-11312 and CVE-2017-11316 Gigabyte BRIX series - CVE-2017-11313 and CVE-2017-11314

The motherboards Matrosov tested were based on AMI Aptio UEFI BIOS, a popular UEFI BIOS firmware package, also used by other motherboard OEMs such as MSI, Asus, Acer,...(continued)

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