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CVE-2018-6622

N/A
Published: August 17, 2018 at 06:00 PM UTC
Updated: June 17, 2026 at 02:02 AM UTC
1 product affected across 1 vendorTrusted Platform Module

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Severity
N/A
Exploit prediction
EPSS 0.5%

Description

An issue was discovered that affects all producers of BIOS firmware who make a certain realistic interpretation of an obscure portion of the Trusted Computing Group (TCG) Trusted Platform Module (TPM) 2.0 specification. An abnormal case is not handled properly by this firmware while S3 sleep and can clear TPM 2.0. It allows local users to overwrite static PCRs of TPM and neutralize the security features of it, such as seal/unseal and remote attestation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/105203
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.usenix.org/conference/usenixsecurity18/presentation/han

CVSS

3.6LOW[email protected]
Confidentiality
NONE
Integrity
PARTIAL
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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