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VULNERABILITIES

CVE-2023-4693 Details

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.

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References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2024:2456 CVE
https://access.redhat.com/errata/RHSA-2024:3184 CVE
https://access.redhat.com/security/cve/CVE-2023-4693 CVEThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2238343 CVEIssue TrackingThird Party Advisory
https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/ CVEExploitThird Party Advisory

see all 20 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds Read[email protected]
CWE-125Out-of-bounds Read[email protected]

Affected Products

ProductVersions
gnu grub2
< 2.12

CPE

  • cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
8.0
9.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

16 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-4693
NVD Published Date:
Oct 25, 2023
NVD Last Modified:
Jul 21, 2026
Source:
[email protected]