---
cve: "CVE-2025-2884"
severity: "MEDIUM"
cvss: 6.6
epss: "21%"
vendor: "Trusted Computing Group"
kev: false
exploited: false
published: "2025-06-10 18:15:30"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T02:27:14+02:00"
---

# CVE-2025-2884

> 6.6 MEDIUM · 🧪 PoC

## Beschreibung

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

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 04b2d8e9afc0a9b6bffe562a23e58c0de11532d1 (Commit)

## Referenzen

- <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>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-2884) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_