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CVE-2024-29039

Tpm2-tools vulnerability

9.0 CRITICALPublic exploitEPSS 0.98%
  1. Published28 Jun 2024

Description

tpm2 is the source repository for the Trusted Platform Module (TPM2.0) tools. This vulnerability allows attackers to manipulate tpm2_checkquote outputs by altering the TPML_PCR_SELECTION in the PCR input file. As a result, digest values are incorrectly mapped to PCR slots and banks, providing a misleading picture of the TPM state. This issue has been patched in version 5.7.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Tpm2-tools< 5.7

Remediation

Fixed in
Tpm2-tools≥ 5.7

Frequently asked

Is CVE-2024-29039 being actively exploited?

CVE-2024-29039 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.98%.

How severe is CVE-2024-29039?

CVE-2024-29039 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.98% probability of exploitation.

Which products are affected by CVE-2024-29039?

Affected products include Tpm2-tools.

How do I fix CVE-2024-29039?

Upgrade affected software to a fixed version, for example Tpm2-tools 5.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-29039 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.