Incorrect Default Permissions Affecting coreos-installer-dracut package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-RHEL8-COREOSINSTALLERDRACUT-2866995
  • published2 Nov 2021
  • disclosed7 Jul 2021

Introduced: 7 Jul 2021

CVE-2021-3917  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 coreos-installer-dracut.

NVD Description

Note: Versions mentioned in the description apply only to the upstream coreos-installer-dracut package and not the coreos-installer-dracut package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1