CVE-2023-4949

Memory Corruption Vulnerability in Grub-Legacy's XFS Implementation

State: Published
Severity: 8.1 High
Published: Nov 10, 2023
Updated: Sep 3, 2024
Reserved: Sep 13, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H	Google

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
Grub-LegacyFree Software Foundation	0.97 and earlierAffected

References

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

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