Out-of-bounds Read Affecting grub2-tools-minimal package, versions <1:2.06-77.el9.alma.1


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-ALMALINUX9-GRUB2TOOLSMINIMAL-6827927
  • published9 May 2024
  • disclosed30 Apr 2024

Introduced: 30 Apr 2024

CVE-2023-4693  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 grub2-tools-minimal to version 1:2.06-77.el9.alma.1 or higher.
This issue was patched in ALSA-2024:2456.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-tools-minimal package and not the grub2-tools-minimal package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.

CVSS Base Scores

version 3.1