Vulnerability identifier: #VU22719

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-16863

CWE-ID: CWE-310

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Trusted Platform Module (TPM)
Hardware solutions / Firmware

Vendor: Microsoft

Description

The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists in certain Trusted Platform Module (TPM) chipsets due to weakens key confidentiality protection for a specific algorithm (ECDSA). An authenticated user with physical access can decrypt encrypted data on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Trusted Platform Module (TPM): 2.0

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.