CVE-2023-3674

Keylime: attestation failure when the quote's signature does not validate

Published Jul 19, 2023 CVSS 3.1 · 2.3 Low EPSS < 1% KEV · Not listed
Description
A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-0105 A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.
Github GHSA Github GHSA GHSA-g4wg-cfpf-9689 keylime fails to flag device as untrusted when signature does not validate
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 21, 2025, 5:59 AM
Reserved
Jul 14, 2023, 12:39 PM
Status
Modified
Published
Jul 19, 2023, 7:15 PM
Modified
Jun 17, 2026, 6:14 AM
Severity
Low
Public date
Jul 12, 2023, 12:00 AM