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.

CVSS v3.0 4.6 MEDIUM

4.6^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2238343	Issue Tracking Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4693	Third Party Advisory
https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/	Exploit Third Party Advisory
https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html	Mailing List
https://seclists.org/oss-sec/2023/q4/37	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202311-14
https://security.netapp.com/advisory/ntap-20231208-0002/

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Information

Published : 2023-10-25 18:17

Updated : 2023-12-08 19:15

NVD link : CVE-2023-4693

Mitre link : CVE-2023-4693

JSON object : View

Products Affected

redhat

enterprise_linux

gnu

grub2

CWE

CWE-125

Out-of-bounds Read

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