CVE-2023-4949

An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://xenbits.xenproject.org/xsa/advisory-443.html	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:grub:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*

History

20 Nov 2023, 19:37

Type	Values Removed	Values Added
CWE		CWE-787
First Time		Gnu Xen xen Xen Gnu grub
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.7
References	~~() https://xenbits.xenproject.org/xsa/advisory-443.html -~~	() https://xenbits.xenproject.org/xsa/advisory-443.html - Patch, Third Party Advisory
CPE		cpe:2.3:o:xen:xen:-:::::::* cpe:2.3:a:gnu:grub::::::::

10 Nov 2023, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-11-10 17:15

Updated : 2023-12-10 15:26

NVD link : CVE-2023-4949

Mitre link : CVE-2023-4949

CVE.ORG link : CVE-2023-4949

JSON object : View

Products Affected

xen

xen

gnu

grub

CWE

CWE-787

Out-of-bounds Write

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-190

Integer Overflow or Wraparound

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