CVE-2024-6564: Buffer overflow in Rensas RCAR
First published: Mon Jul 08 2024(Updated: )
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.
Credit: cve@asrg.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arm Trusted Firmware |
Remedy
https://github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4b87dec09fe2f2
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-6564?
CVE-2024-6564 is considered a critical vulnerability due to its potential to bypass secure boot.
How do I fix CVE-2024-6564?
Fixing CVE-2024-6564 involves updating the Renesas arm-trusted firmware to the latest version that addresses the buffer overflow issue.
What impact does CVE-2024-6564 have on system security?
CVE-2024-6564 may allow unauthorized access to system resources, compromising the integrity of the secure boot process.
Which software is affected by CVE-2024-6564?
CVE-2024-6564 affects the Renesas arm-trusted firmware, particularly in versions that utilize the vulnerable rcar_dev_init function.
How does the buffer overflow in CVE-2024-6564 occur?
The buffer overflow in CVE-2024-6564 occurs when untrusted data is used as a loop counter without proper validation against the RCAR_MAX_BL3X_IMAGE limit.
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