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CVE-2024-6564— Buffer overflow in Rensas RCAR

Quick assessment

Affected
Renesas rcar_gen3_v2.5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Trusted Firmware是ARM的为 Armv8-A、Armv9-A 和 Armv8-M 提供安全软件的参考实现。 它为 SoC 开发人员和 OEM 提供了符合相关 Arm 规范的参考可信代码库。 Trusted Firmware存在安全漏洞，该漏洞源于存在缓冲区溢出，可能导致完全绕过安全启动。

CVSS 6.7 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-6564

Vulnerability Information
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Vulnerability Title
Buffer overflow in Rensas RCAR
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Trusted Firmware 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Trusted Firmware是ARM的为 Armv8-A、Armv9-A 和 Armv8-M 提供安全软件的参考实现。 它为 SoC 开发人员和 OEM 提供了符合相关 Arm 规范的参考可信代码库。 Trusted Firmware存在安全漏洞，该漏洞源于存在缓冲区溢出，可能导致完全绕过安全启动。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Renesas rcar_gen3_v2.5 c2f286820471ed276c57e603762bd831873e5a17 ~ c9fb3558410032d2660c7f3b7d4b87dec09fe2f2 -

II. Public POCs for CVE-2024-6564

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III. Intelligence Information for CVE-2024-6564

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Patches & Fixes for CVE-2024-6564 (1)

Other References for CVE-2024-6564 (1)

IV. Related Vulnerabilities

Same product: rcar_gen3_v2.5
Same vendor: Renesas
Same weakness: CWE-120

V. Comments for CVE-2024-6564

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