CVE-2023-4693

CVE Details

Release Date:	2023-10-03
Impact:	Low	What is this?

Description

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.

See more information about CVE-2023-4693 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.3
Vector String:	CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Version:	3.0
Attack Vector:	Local
Attack Complexity:	High
Privileges Required:	High
User Interaction:	None
Scope:	Changed
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (grub2)	ELSA-2024-3184	2024-05-24
Oracle Linux version 9 (grub2)	ELSA-2024-2456	2024-05-03