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CVE-2022-34303

Description

A flaw was found in Eurosoft 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.


Affected Software


CPE Name Name Version
eurosoft-uk:uefi_bootloader eurosoft-uk uefi bootloader 2022-06-01
redhat:enterprise_linux redhat enterprise linux 7.0
redhat:enterprise_linux redhat enterprise linux 8.0
redhat:enterprise_linux redhat enterprise linux 9.0
microsoft:windows_server_2012 microsoft windows server 2012 r2
microsoft:windows_10 microsoft windows 10 1607
microsoft:windows_8.1 microsoft windows 8.1 -
microsoft:windows_server_2016 microsoft windows server 2016 -
microsoft:windows_rt_8.1 microsoft windows rt 8.1 -
microsoft:windows_server_2012 microsoft windows server 2012 -
microsoft:windows_10 microsoft windows 10 -
microsoft:windows_server_2019 microsoft windows server 2019 -
microsoft:windows_10 microsoft windows 10 1809
microsoft:windows_server_2016 microsoft windows server 2016 20h2
microsoft:windows_server_2022 microsoft windows server 2022 -
microsoft:windows_11 microsoft windows 11 -
microsoft:windows_10 microsoft windows 10 21h2
microsoft:windows_10 microsoft windows 10 21h1
microsoft:windows_10 microsoft windows 10 20h2

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