CVE-2025-2884

MEDIUM

TCG TPM2.0 Reference implementation - Info Disclosure

Title source: llm

Description

TCG TPM2.0 Reference implementation's CryptHmacSign helper function is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm. See Errata Revision 1.83 and advisory TCGVRT0009 for TCG standard TPM2.0

References (8)

Core 8

Core References

Vendor Advisory

https://cert-portal.siemens.com/productcert/html/ssa-628843.html

Various Sources

https://trustedcomputinggroup.org/about/security/

Various Sources

https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf

Various Sources

https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf

Various Sources

https://www.cve.org/CVERecord?id=CVE-2025-49133

Patch

https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1

View Patch ZIP pw:eip

Vendor Advisory

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html

Third Party Advisory, US Government Resource

https://www.kb.cert.org/vuls/id/282450

Scores

CVSS v3 6.6

EPSS 0.0007

EPSS Percentile 21.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-125

Status published

Products (1)

Trusted Computing Group/TPM2.0 < 1.83

Published Jun 10, 2025

Tracked Since Feb 18, 2026