CVE-2024-45782

Published Mar 3, 2025

Last updated a year ago

CVSS high 7.8

Overview

Description
A flaw was found in the HFS filesystem. When reading an HFS volume's name at grub_fs_mount(), the HFS filesystem driver performs a strcpy() using the user-provided volume name as input without properly validating the volume name's length. This issue may read to a heap-based out-of-bounds writer, impacting grub's sensitive data integrity and eventually leading to a secure boot protection bypass.
Source
secalert@redhat.com
NVD status
Modified
Products
grub2, openshift_container_platform, enterprise_linux

Risk scores

CVSS 3.1

Type
Primary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secalert@redhat.com
CWE-787
nvd@nist.gov
CWE-787

Social media

Hype score
Not currently trending

  1. New post from https://t.co/uXvPWJy6tj (CVE-2024-45782 | GNU grub2 hfs fs/hfs.c strcpy out-of-bounds write) has been published on https://t.co/YZWXWd5TOp

    @WolfgangSesin

    18 Feb 2025

    1 Impression

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Configurations

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References

Sources include official advisories and independent security research.