SB2024083055 - SUSE update for tpm2.0-tools



SB2024083055 - SUSE update for tpm2.0-tools

Published: August 30, 2024

Security Bulletin ID SB2024083055
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Mutable Attestation or Measurement Reporting Data (CVE-ID: CVE-2024-29038)

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

CVSSv4: 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


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.


2) Reliance on Untrusted Inputs in a Security Decision (CVE-ID: CVE-2024-29039)

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

CVSSv4: 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


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.


Remediation

Install update from vendor's website.