CVE-2023-4949
Vulnerability Scoring
8.1
/10
Attack Complexity Details
- Attack Complexity: Low Impact
- Attack Vector: LOCAL
- Privileges Required: HIGH IMPACT
- Scope: CHANGED
- User Interaction: NONE
CIA Impact Definition
- Confidentiality: HIGH IMPACT
- Integrity: Low Impact
- Availability: HIGH IMPACT
CVE-2023-4949 Vulnerability Summary
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.
Access Complexity Graph for CVE-2023-4949
Impact Analysis for CVE-2023-4949
CVE-2023-4949: Detailed Information and External References
EPSS
0.00042
EPSS %
0.05074
References
0.00042
- https://xenbits.xenproject.org/xsa/advisory-443.html
- https://xenbits.xenproject.org/xsa/advisory-443.html
CWE
CWE-787
Vulnerable Configurations
-
cpe:2.3:a:gnu:grub:-:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub:-:*:*:*:*:*:*:*
-
cpe:2.3:a:gnu:grub:0.97:*:*:*:*:*:*:*
cpe:2.3:a:gnu:grub:0.97:*:*:*:*:*:*:*
-
cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
CVSS3 Source
cve-coordination@google.com
CVSS3 Type
Secondary
CVSS3 Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H
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