CVE-2024-6564

Buffer overflow in Rensas RCAR

State: Published
Severity: 6.7 Medium
Published: Jul 8, 2024
Updated: Aug 1, 2024
Reserved: Jul 8, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	6.7 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	ASRG

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
rcar_gen3_v2.5Renesas	c2f286820471ed276c57e603762bd831873e5a17 through c9fb3558410032d2660c7f3b7d4b87dec09fe2f2Affected

References

https://github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4b87dec09fe2f2
https://asrg.io/security-advisories/cve-2024-6564/third-party-advisory

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