openEuler update for tpm2-tss

1) Insufficient verification of data authenticity

EUVDB-ID: #VU89838

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-2024-29040

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

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

The vulnerability exists due to missing checks for the magic number. A local user can generate arbitrary quote data, which may not be detected by Fapi_VerifyQuote.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP3

tpm2-tss-help: before 3.0.3-3

tpm2-tss-devel: before 3.0.3-3

tpm2-tss-debugsource: before 3.0.3-3

tpm2-tss-debuginfo: before 3.0.3-3

tpm2-tss: before 3.0.3-3

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP2:*:*:*:*:*:*
• cpe:2.3:a:openeuler:tpm2-tss-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:tpm2-tss-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:tpm2-tss-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:tpm2-tss-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:tpm2-tss:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1613

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.