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CVE-2024-29040

4.3 · MEDIUM

This repository hosts source code implementing the Trusted Computing Group's (TCG) TPM2 Software Stack (TSS).

Published Jun 28, 2024CWE-502EPSS 0.33%

Overview

CVE-2024-29040 is a medium-severity vulnerability. It was published on June 28, 2024 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

This repository hosts source code implementing the Trusted Computing Group's (TCG) TPM2 Software Stack (TSS). The JSON Quote Info returned by Fapi_Quote has to be deserialized by Fapi_VerifyQuote to the TPM Structure `TPMS_ATTEST`. For the field `TPM2_GENERATED magic` of this structure any number can be used in the JSON structure. The verifier can receive a state which does not represent the actual, possibly malicious state of the device under test. The malicious device might get access to data it shouldn't, or can use services it shouldn't be able to. This

issue has been patched in version 4.1.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/tpm2-software/tpm2-tss/releases/tag/4.1.0GitHubgithub.com/tpm2-software/tpm2-tss/security/advisories/GHSA-837m-jw3m-h9p6GitHubgithub.com/tpm2-software/tpm2-tss/releases/tag/4.1.0GitHubgithub.com/tpm2-software/tpm2-tss/security/advisories/GHSA-837m-jw3m-h9p6Reflists.fedoraproject.org/archives/list/[email protected]/message/EFR7SVEWCOXORHPCLLGXEMHFMIGG2MFE/Reflists.fedoraproject.org/archives/list/[email protected]/message/GI4JFEZBKQQUPJ4RWK6IHEWXAFCEJDPI/

How CyberStrike helps

Frequently asked questions

What is CVE-2024-29040?

CVE-2024-29040 is a medium-severity vulnerability. It was published on June 28, 2024 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-29040?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-29040?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-29040?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-29040 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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