6.8
Moyenne
CVE-2023-4001 An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the…
Description
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.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat Enterprise Linux 9 | Versions non publiées | |
| Red Hat Enterprise Linux 9.0 Extended Update Support | Versions non publiées | |
| Red Hat Enterprise Linux 9.2 Extended Update Support | Versions non publiées | |
| Red Hat Enterprise Linux 8 | Versions non publiées |
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8.2
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