CVE-2021-3917

coreos-installer: restrict access permissions on /boot/ignition{,/config.ign}

Published Aug 23, 2022 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-2318 A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.
Github GHSA Github GHSA GHSA-862g-9h5m-m3qv coreos-installer < 0.10.0 writes world-readable Ignition config to installed system
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 5:09 PM
Reserved
Nov 1, 2021, 12:00 AM
Status
Modified
Published
Aug 23, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:05 AM
Severity
Moderate
Public date
Jul 7, 2021, 12:00 AM