CVE-2022-34302

Medium

Description

A flaw was found in New Horizon Datasys 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.

SeverityMedium
CVSS6.7
Exploit probability—
ProductHorizondatasys Uefi Bootloader
PublishedAug 26, 2022
First seenAug 26, 2022

How to fix

Update
  • horizondatasys uefi_bootloader2022-06-01 or later

Affected products

ProductAffected versionsFixed in
horizondatasys uefi_bootloaderv < 2022-06-012022-06-01
redhat enterprise_linux7.0, 8.0, 9.0—
microsoft windows_10No range specified, 20h2, 21h1, 21h2, 1607, 1809—
microsoft windows_11No range specified—
microsoft windows_8.1No range specified—
microsoft windows_rt_8.1No range specified—
microsoft windows_server_2012No range specified, r2—
microsoft windows_server_2016No range specified, 20h2—
microsoft windows_server_2019No range specified—
microsoft windows_server_2022No range specified—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.