Out-of-bounds Read Affecting grub2-pc-modules package, versions <1:2.02-156.0.1.el8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-ORACLE8-GRUB2PCMODULES-7164586
  • published30 May 2024
  • disclosed25 Oct 2023

Introduced: 25 Oct 2023

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

How to fix?

Upgrade Oracle:8 grub2-pc-modules to version 1:2.02-156.0.1.el8 or higher.
This issue was patched in ELSA-2024-3184.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-pc-modules package and not the grub2-pc-modules package as distributed by Oracle. See How to fix? for Oracle:8 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

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