Nasty BIOS bug slugs Gigabyte, hackers say
Gigabyte has been swept into turmoil surrounding low-level security vulnerabilities that allows attackers to kill flash protection, secure boot, and tamper with firmware on PCs by Lenovo and other vendors.
Unconfirmed reports suggest the hardware vendor has used the "ThinkPwn" vulnerable code, thought to be born of Intel reference code, on four of its motherboards: Z68-UD3H, Z77X-UD5H, Z87MX-D3H, and Z97-D3H.
Researcher Dmytro Oleksiuk revealed the vulnerabilities in a post to Github stating that can “disable flash write protection and infect platform firmware, disable Secure Boot, [and] bypass Virtual Secure Mode (Credential Guard, etc.) on Windows 10 Enterprise” thanks to a flaw in the SystemSmmRuntimeRt UEFI driver.