CVE-2024-29040
tpm2-tss: arbitrary quote data may go undetected by Fapi_VerifyQuote
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 30, 2024
Updated · January 23, 2026
Description
A flaw was found in the tpm2-tss package, where it was not checked to see if the magic number in the attest is equal to the TPM2_GENERATED_VALUE. This flaw allows an attacker to generate arbitrary quote data, which may not be detected by Fapi_VerifyQuote.
Statement
This vulnerability is rated as moderate because it allows an attacker to generate arbitrary quote data, potentially bypassing Fapi_VerifyQuote detection, but it requires specific conditions to be exploited.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE-20 · Improper Input Validation