• 公告ID (KylinSec-SA-2022-2044)

摘要:

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media.

安全等级: Low

公告ID: KylinSec-SA-2022-2044

发布日期: 2022年9月23日

关联CVE: CVE-2022-34301  

  • 详细介绍

1. 漏洞描述

   

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media.

2. 影响范围

cve名称 产品 组件 是否受影响
CVE-2022-34301 KY3.4-4A shim Unaffected
CVE-2022-34301 KY3.4-5 shim Unaffected
CVE-2022-34301 KY3.5.1 shim Unaffected

3. 影响组件

    无

4. 修复版本

    无

5. 修复方法

   无

6. 下载链接

    无
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