Multiple vulnerabilities in Trusted Platform Module (TPM2.0) tools



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-29038
CVE-2024-29039
CWE-ID CWE-1283
CWE-807
Exploitation vector Local
Public exploit N/A
Vulnerable software
 tpm2-tools
Other software / Other software solutions

Vendor Linux TPM2 & TSS2 Software

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Mutable Attestation or Measurement Reporting Data

EUVDB-ID: #VU96646

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-29038

CWE-ID: CWE-1283 - Mutable Attestation or Measurement Reporting Data

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to improper input validation. A local user can generate arbitrary quote data which is not detected by tpm2 checkquote and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tpm2-tools: 5.0 - 5.6

CPE2.3 External links

https://github.com/tpm2-software/tpm2-tools/security/advisories/GHSA-5495-c38w-gr6f
https://github.com/tpm2-software/tpm2-tools/releases/tag/5.7


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Reliance on Untrusted Inputs in a Security Decision

EUVDB-ID: #VU96645

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-29039

CWE-ID: CWE-807 - Reliance on Untrusted Inputs in a Security Decision

Exploit availability: No

Description

The vulnerability allows a local user to manipulate the TMP state.

The vulnerability exists due to insufficient validation of PCR input. A local user can alter TPML_PCR_SELECTION and manipulate the TMP state.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tpm2-tools: 5.0 - 5.6

CPE2.3 External links

https://github.com/tpm2-software/tpm2-tools/security/advisories/GHSA-8rjm-5f5f-h4q6
https://github.com/tpm2-software/tpm2-tools/releases/tag/5.7


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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