CVE-2023-4949 - Vulnerability Details - OpenCVE

Description

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.

Published: 2023-11-10

Score: 8.1 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Free Software Foundation

Grub-Legacy

unaffected

Version	Status	Constraints
`0`	affected	≤ 0.97

Configuration 1 [-]

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

Configuration 2 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-54785	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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00037.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://xenbits.xenproject.org/xsa/advisory-443.html

History

No history.

Subscriptions

Gnu Grub

Xen Xen

MITRE

Status: PUBLISHED

Assigner: Google

Published: 2023-11-10T16:57:03.311Z

Updated: 2024-09-03T17:29:10.425Z

Reserved: 2023-09-13T15:42:48.056Z

Link: CVE-2023-4949

Vulnrichment

Updated: 2024-08-02T07:44:53.355Z

NVD

Status : Modified

Published: 2023-11-10T17:15:07.570

Modified: 2024-11-21T08:36:19.817

Link: CVE-2023-4949

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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