Vulnerability Description
A vulnerability exists in UEFI implementations that use a hard-coded software-based Platform Key (PK). An attacker in possession of the corresponding PK private key can sign arbitrary UEFI executables or firmware components, causing them to be trusted by affected systems and potentially bypassing UEFI Secure Boot trust validation.
CVSS Score
MEDIUM
References
- https://github.com/binarly-io/Vulnerability-REsearch/blob/main/PKfail/BRLY-2024-
- https://kb.cert.org/vuls/id/455367
- https://security.ts.fujitsu.com/ProductSecurity/content/Fujitsu-PSIRT-FJ-ISS-202
- https://uefi.org/specs/UEFI/2.9_A/32_Secure_Boot_and_Driver_Signing.html
- https://www.binarly.io/advisories/brly-2024-005
- https://www.gigabyte.com/us/Support/Security/2205
- https://www.intel.com/content/www/us/en/security-center/announcement/intel-secur
- https://www.supermicro.com/en/support/security_PKFAIL_Jul_2024
- https://www.kb.cert.org/vuls/id/455367
FAQ
What is CVE-2024-8105?
CVE-2024-8105 is a vulnerability with a CVSS score of 6.4 (MEDIUM). A vulnerability exists in UEFI implementations that use a hard-coded software-based Platform Key (PK). An attacker in possession of the corresponding PK private key can sign arbitrary UEFI executables...
How severe is CVE-2024-8105?
CVE-2024-8105 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-8105?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.