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Red Hat OpenShift: CVE-2021-3917: coreos-installer: restrict access permissions on /boot/ignition{,/config.ign}

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Red Hat OpenShift: CVE-2021-3917: coreos-installer: restrict access permissions on /boot/ignition{,/config.ign}

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/12/2021
Created
11/13/2021
Added
11/12/2021
Modified
05/10/2023

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.

Solution(s)

  • linuxrpm-upgrade-coreos-installer

References

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