Out-of-bounds Read Affecting grub2-efi-ia32 package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (31st percentile)

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  • Snyk IDSNYK-CENTOS7-GRUB2EFIIA32-5931339
  • published4 Oct 2023
  • disclosed3 Oct 2023

Introduced: 3 Oct 2023

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

How to fix?

There is no fixed version for Centos:7 grub2-efi-ia32.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-efi-ia32 package and not the grub2-efi-ia32 package as distributed by Centos. See How to fix? for Centos:7 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 Scores

version 3.1