Buffer overflow in Renesas Arm-Trusted-Firmware
CVE-2024-6564
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (11.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Renesas Arm-Trusted-Firmware
- Renesas Rcar Gen3 V2.5 — versions c2f286820471ed276c57e603762bd831873e5a17
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4… (Patch)
- asrg.io/security-advisories/cve-2024-6564/ (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2024-6564?
- CVE-2024-6564 is a medium-severity vulnerability in Renesas Arm-Trusted-Firmware, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2024-07-08.
- How severe is CVE-2024-6564?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2024-6564 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.