{"id":"CVE-2025-2884","title":"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","summary":"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 TCGVRT00…","severity":"medium","cvss":6.6,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H","cwe":["CWE-125"],"published":"2025-06-10","updated":"2026-08-11","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-2884","references":[{"url":"https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1","label":"cret@cert.org"},{"url":"https://trustedcomputinggroup.org/about/security/","label":"cret@cert.org"},{"url":"https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf","label":"cret@cert.org"},{"url":"https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf","label":"cret@cert.org"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-49133","label":"cret@cert.org"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/282450","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-628843.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.0025,"epssPercentile":0.16593,"ingestedAt":"2026-08-11T16:47:03.580Z","slug":"CVE-2025-2884","body":"## Overview\n\nTCG 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":36.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}