CVE-2022-34303
Dashboard / Vulnerabilities / CVE-2022-34303
Summary:
Details: 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.
References: , https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot, https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html, https://www.kb.cert.org/vuls/id/309662
Affected packages
Package
Name:
Purl:
Affected ranges
Type: N/A
Events:
Introduced- None
Fixed -None
Affected versions
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
