Millions of Gigabyte PC motherboards backdoored? What's the actual score?
You may have seen some headlines about a supply-chain backdoor in millions of Gigabyte motherboards. Here's the lowdown.utility, which is supposed to keep the system's firmware, drivers, and related software up to date. It checks for updates and offers to fetch and install them, saving people from having to do it by hand or getting deep into their BIOS settings. Trouble is, the way Gigabyte implemented this potentially leaves people at risk of infection.
And an attacker will likely have to make sure the fetched program passes Windows' code-signing requirements. The firmware otherwise doesn't do any checks to see if it's downloading a legit binary. All in all, it's not the most secure process, and could lead to the execution of malicious code and the deployment of spyware on an unsuspecting stranger's machine.
They've found no evidence that the vulnerability is being actively exploited, just that the way Gigabyte's firmware works is insecure and makes life a little easier for would-be intruders.
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