CVE-2022-34303

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Summary

CVECVE-2022-34303
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-08-26 18:15:00 UTC
Updated2023-11-14 19:15:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Eurosoft-uk Uefi Bootloader All All All All
Operating System Microsoft Windows 10 - All All All
Operating System Microsoft Windows 10 1607 All All All
Operating System Microsoft Windows 10 1809 All All All
Operating System Microsoft Windows 10 20h2 All All All
Operating System Microsoft Windows 10 21h1 All All All
Operating System Microsoft Windows 10 21h2 All All All
Operating System Microsoft Windows 11 - All All All
Operating System Microsoft Windows 8.1 - All All All
Operating System Microsoft Windows Rt 8.1 - All All All
Operating System Microsoft Windows Server 2012 - All All All
Operating System Microsoft Windows Server 2012 r2 All All All
Operating System Microsoft Windows Server 2016 - All All All
Operating System Microsoft Windows Server 2016 20h2 All All All
Operating System Microsoft Windows Server 2019 - All All All
Operating System Microsoft Windows Server 2022 - All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux 9.0 All All All

References

ReferenceSourceLinkTags
UEFI Secure Boot - Understanding the UEFI Secure Boot Chain MISC edk2-docs.gitbook.io
Access Denied www.intel.com
VU#309662 - Signed third party UEFI bootloaders are vulnerable to Secure Boot bypass MISC www.kb.cert.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160616 Oracle Enterprise Linux Security Update for fwupd (ELSA-2023-2487)
  • 241430 Red Hat Update for fwupd (RHSA-2023:2487)
  • 91931 Microsoft Windows Security Update for August 2022
  • 91936 Microsoft Azure Stack Hub Security Updates for August 2022
  • 941051 AlmaLinux Security Update for fwupd (ALSA-2023:2487)
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