Out-of-Bounds Read Vulnerability in TCG TPM2.0 Implementation
CVE-2025-2884

6.6MEDIUM

Key Information:

Vendor

Trusted Computing Group

Status
Tpm2.0
Vendor
CVE Published:
10 June 2025

What is CVE-2025-2884?

The TCG TPM2.0 Reference Implementation contains a vulnerability in the CryptHmacSign helper function. This flaw arises from insufficient validation of the signature scheme that corresponds to the signature key's algorithm, potentially allowing unauthorized access to sensitive data through an Out-of-Bounds read. For details, refer to Errata 1.83 of TCG's TPM2.0 standard.

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Affected Version(s)

TPM2.0 0 < 1.83

References

https://trustedcomputinggroup.org/about/security/
https://trustedcomputinggroup.org/wp-content/uploads/TPM2...
https://trustedcomputinggroup.org/wp-content/uploads/VRT0...

CVSS V3.1

Score:
6.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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