Intel is allegedly investigating a data leak that saw sensitive BootGuard private keys published on the dark web.
These private keys are designed to protect the devices from UEFI bootkits, malicious software that’s installed on the device’s firmware, establishing persistence even if the hard drive is replaced.
The news was broken by BleepingComputer, without elaborating what this investigation entails. In response to the attack, Intel told the publication “it should be noted that Intel BootGuard OEM keys are generated by the system manufacturer, and these are not Intel signing keys.”
Useless features
What we do know is that a ransomware operator known as Money Message broke into hardware manufacturer MSI earlier this year and stole sensitive data.
The group claims it made away with 1.5TB of sensitive information, including source code, firmware intel, and various databases. In order not to publish the stolen files on the dark web, the group allegedly demanded $4 million in ransom.
MSI turned the offer down, claiming the attack and the stolen files represented no real threat to its business operations. In response, the threat actors made the files public.
After that, different cybersecurity researchers started analyzing the leaked data, with some finding what appear to be image signing private keys for 57 MSI products and Intel Boot Guard private keys for 116 MSI products.
Researcher Alex Matrosov told BleepingComputer that the leak could render Boot Guard ineffective on “11th Tiger Lake, 12th Adler Lake, and 13th Raptor Lake” processors.
“We have evidence the whole Intel ecosystem is impacted by this MSI data breach. It's a direct threat to MSI customers and unfortunately not only to them,” he said. “The signing keys for fw image allow an attacker to craft malicious (opens in new tab) firmware updates and it can be delivered through a normal bios update process with MSI update tools.”
“The Intel Boot Guard keys leak impacts the whole ecosystem (not only MSI) and makes this security feature useless.”
Via: BleepingComputer (opens in new tab)
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