CVE-2022-34302 — Download of Code Without Integrity Check in Uefi Bootloader
Severity
6.7MEDIUMNVD
EPSS
0.1%
top 65.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 26
Latest updateAug 27
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9
Affected Packages3 packages
Also affects: Enterprise Linux 7.0, 8.0, 9.0