Уязвимость CVE-2023-4001: Информация

Описание

An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the "/boot/" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat's version of grub2 and does not affect the upstream package.

Важность: MEDIUM (6,8) Вектор: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Исправленные пакеты

Ссылки на рекомендации, решения и инструменты

1. Подверженные конфигурации:

   1. Конфигурация 1

      cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:*

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      Конфигурация 2

      cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

      ---

      Конфигурация 3

      cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

      ---

      cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*

      ---