CVE-2022-34303

MEDIUM

6.7

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung6.7

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorLOCAL

KomplexitatLOW

Erforderliche PrivilegienHIGH

BenutzerinteraktionNONE

Veroffentlicht8/26/2022

Zuletzt geandert11/21/2024

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

eurosoft-uk:uefi_bootloadermicrosoft:windows_10microsoft:windows_11microsoft:windows_8.1microsoft:windows_rt_8.1microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019microsoft:windows_server_2022redhat:enterprise_linux

Referenzen

https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot(cve@mitre.org)

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html(cve@mitre.org)

https://www.kb.cert.org/vuls/id/309662(cve@mitre.org)

https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot(af854a3a-2127-422b-91ae-364da2661108)

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.kb.cert.org/vuls/id/309662(af854a3a-2127-422b-91ae-364da2661108)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.