Secure boot bypass in Renesas R-Car firmware
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-6564 |
| CWE-ID | CWE-120 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
arm-trusted-firmware Hardware solutions / Firmware |
| Vendor | renesas-rcar |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU98848
Risk: Low
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2024-6564
CWE-ID:
CWE-120 - Buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass secure boot implementation.
The vulnerability exists due to a boundary error in rcar_dev_init. A local user can
trigger a buffer overflow and bypass secure boot protections.
Install updates from vendor's website.
Vulnerable software versionsarm-trusted-firmware: All versions
CPE2.3 External linkshttps://github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4b87dec09fe2f2
https://asrg.io/security-advisories/cve-2024-6564/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
