CVE-2025-2884: Out-of-bounds Read (CVSS 6.6)

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

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CVSS v3.1 Score

6.6

MEDIUM

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

References

Other References

https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1 https://trustedcomputinggroup.org/about/security/ https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf https://www.cve.org/CVERecord?id=CVE-2025-49133 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html https://www.kb.cert.org/vuls/id/282450 https://cert-portal.siemens.com/productcert/html/ssa-628843.html

Frequently Asked Questions

What is CVE-2025-2884? +

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 It has a CVSS v3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2025-2884? +

CVE-2025-2884 has a CVSS v3.1 score of 6.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-2884? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-2884