• CVE-2023-4692

发布时间: 2023年10月13日

修改时间: 2024年10月31日

概要

An out-of-bounds write flaw was found in grub2 s NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub s heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.

CVSS v3 指标

NVD openEuler
Confidentiality High High
Attack Vector Local Local
CVSS评分 7.8 7.8
Attack Complexity Low Low
Privileges Required Low Low
Scope Unchanged Unchanged
Integrity High High
User Interaction None None
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2023-2413 grub2 security update 2025年2月17日

影响产品

产品 状态
KY3.4-4A grub2 Fixed
KY3.4-5 grub2 Fixed
KY3.5.1 grub2 Fixed
KY3.5.2 grub2 Fixed