This new TPM 2.0 security flaw could spell big trouble for “billions” of devices

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Cybersecurity researchers from Quarkslab have found two vulnerabilities within the Trusted Platform Module (TPM) 2.0, which may spell main hassle for “billions” of gadgets.

TPM 2.0 is a chip that PC producers have been including to the motherboards since mid-2016. The know-how, as Microsoft explains, is designed to offer “security-related features”. The chip helps generate, retailer, and restrict using cryptographic keys. 

Many TPMs, the corporate additional explains, embody bodily safety mechanisms to make them tamper-resistant.

TPM 2.0 flaw

Now, researchers Francisco Falcon and Ivan Arce found out-of-bounds learn (CVE-2023-1017) and out-of-bounds write (CVE-2023-1018) vulnerabilities, which may enable menace actors to escalate privileges and steal delicate knowledge from susceptible endpoints (opens in new tab). The impression of the failings may differ from vendor to vendor, BleepingComputer stated.

The CERT Coordination Heart revealed an alert concerning the flaws, and claims to have been notifying distributors for months, nonetheless solely a handful of entities have confirmed they’re impacted.

“An attacker who has entry to a TPM-command interface can ship maliciously-crafted instructions to the module and set off these vulnerabilities,” warned CERT. “This permits both read-only entry to delicate knowledge or overwriting of usually protected knowledge that’s solely obtainable to the TPM (e.g., cryptographic keys).”

Organizations apprehensive about these flaws ought to transfer to one among these fastened variations:

TMP 2.0 v1.59 Errata model 1.4 or increased

TMP 2.0 v1.38 Errata model 1.13 or increased

TMP 2.0 v1.16 Errata model 1.6 or increased

Apparently, Lenovo is the one main OEM to have already issued a safety advisory about these flaws, with others hopefully set to observe swimsuit quickly.

To abuse the flaw, a menace actor would want to have authenticated entry to a tool. Nonetheless, any malware already operating on the endpoint would have that prerequisite, the researchers warned.

Through: BleepingComputer (opens in new tab)


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