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

Score

CVSS 3.1 6.6 Medium

Status

Deferred - cret@cert.org

Published

2025-06-10

Last modified

2026-10-15

Weaknesses

CWE-125

Affected products

• Simatic Cn 4100 (Siemens)
• Simatic Field Pg M5 (Siemens)
• Simatic Field Pg M6 (Siemens)
• Simatic Ipc227e (Siemens)
• Simatic Ipc277e (Siemens)
• Simatic Ipc427e (Siemens)
• Simatic Ipc477e (Siemens)
• Simatic Ipc477e Pro (Siemens)
• Simatic Ipc627e (Siemens)
• Simatic Ipc647e (Siemens)
• Simatic Ipc677e (Siemens)
• Simatic Ipc847e (Siemens)
• Simatic Ipc Bx-32a (Siemens)
• Simatic Ipc Bx-39a (Siemens)
• Simatic Ipc Bx-56a (Siemens)
• Simatic Ipc Bx-59a (Siemens)
• Simatic Ipc Md-57a (Siemens)
• Simatic Ipc Px-32a (Siemens)
• Simatic Ipc Px-39a (Siemens)
• Simatic Ipc Px-39a Pro (Siemens)
• Simatic Ipc Rw-528a (Siemens)
• Simatic Ipc Rw-548a (Siemens)
• Simatic Itp1000 (Siemens)
• Siplus Ipc427e (Siemens)
• Tpm2.0 (Trusted Computing Group)

References

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