GNU GRUB security bypass | CVE-2023-4001
NAME
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GNU GRUB security bypass
Platforms Affected:
GNU GRUB
Risk Level:
5.6
Exploitability:
Unproven
Consequences:
Bypass Security
DESCRIPTION
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GNU GRUB could allow a physical authenticated attacker to bypass security restrictions, caused by a flaw when using the UUID of a device to search for the configuration file. By using a specially crafted USB device containing a file system with a duplicate UUID, an attacker could exploit this vulnerability to bypass the GRUB password protection feature on UEFI systems.
CVSS 3.0 Information
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Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Access Vector:
Physical
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