Out-of-bounds read at fs/ntfs.c
CVE-2023-4693

5.3MEDIUM

What is CVE-2023-4693?

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.

Affected Version(s)

Red Hat Enterprise Linux 8 1:2.02-156.el8

Red Hat Enterprise Linux 9 1:2.06-77.el9

References

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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