Incorrect Default Permissions Affecting grub2-ppc64le package, versions <1:2.02-123.el8_6.8.alma


Severity

Recommended
0.0
low
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-ALMALINUX8-GRUB2PPC64LE-5635861
  • published28 May 2023
  • disclosed10 May 2022

Introduced: 10 May 2022

CVE-2021-3981  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 grub2-ppc64le to version 1:2.02-123.el8_6.8.alma or higher.
This issue was patched in ALSA-2022:2110.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-ppc64le package and not the grub2-ppc64le package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing non privileged users to read its content. This represents a low severity confidentiality issue, as those users can eventually read any encrypted passwords present in grub.cfg. This flaw affects grub2 2.06 and previous versions. This issue has been fixed in grub upstream but no version with the fix is currently released.

CVSS Scores

version 3.1