CVE-2025-2884
TPM2.0 Reference Implementation Cryptographic HMAC Sign Vulnerability
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
INFO
Published Date :
June 10, 2025, 6:15 p.m.
Last Modified :
June 13, 2025, 6:15 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-2884
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update TCG TPM2.0 Reference implementation to the latest version.
- Apply vendor-provided patches for TCGVRT0009.
- Verify the signature scheme validation in CryptHmacSign.
Public PoC/Exploit Available at Github
CVE-2025-2884 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-2884.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-2884 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-2884
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Contains List of CVE's that I have found (Individual + Collaborative work)
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-2884 vulnerability anywhere in the article.
-
Daily CyberSecurity
TPM 2.0 Flaw (CVE-2025-2884) Exposes Sensitive Data & Disrupts Trusted Computing!
A vulnerability in the Trusted Platform Module (TPM) 2.0 reference implementation has been disclosed, potentially allowing attackers to access sensitive memory contents or disrupt trusted computing op ... Read more
The following table lists the changes that have been made to the
CVE-2025-2884 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 13, 2025
Action Type Old Value New Value Changed 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 1.83 and advisory VRT0009 of TCG standard TPM2.0 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 Added Reference https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1 Added Reference https://www.cve.org/CVERecord?id=CVE-2025-49133 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 13, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H Removed CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
CVE Modified by [email protected]
Jun. 11, 2025
Action Type Old Value New Value Changed 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 1.83 of TCG standard TPM2.0 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 1.83 and advisory VRT0009 of TCG standard TPM2.0 Added Reference https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 11, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-125 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jun. 10, 2025
Action Type Old Value New Value Added Reference https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html Added Reference https://www.kb.cert.org/vuls/id/282450 -
New CVE Received by [email protected]
Jun. 10, 2025
Action Type Old Value New Value Added 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 1.83 of TCG standard TPM2.0 Added Reference https://trustedcomputinggroup.org/about/security/ Added Reference https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf