CVE-2024-6564 Buffer overflow in Rensas RCAR
A buffer overflow in Renesas RCAR firmware allows attackers to bypass secure boot and potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-6564?
CVE-2024-6564 is a medium-severity memory corruption vulnerability in Renesas rcar_gen3_v2.5, published on 8 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow in "rcar_dev_init" due to using due to using untrusted data (rcar_image_number) as a loop counter before verifying it against RCAR_MAX_BL3X_IMAGE. This could lead to a full bypass of secure boot.
Weakness: CWE-120
Which versions are affected by CVE-2024-6564?
It affects 1 product.
Products include Renesas Arm-Trusted-Firmware.
How do I fix CVE-2024-6564?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-6564 being exploited?
There is no known exploitation of CVE-2024-6564 in the wild and no public exploit code.
Other vulnerabilities in Renesas rcar_gen3_v2.5
Sources
Also known as DEBIAN-CVE-2024-6564, GHSA-4f2h-f89q-3w95, UBUNTU-CVE-2024-6564.