CVE-2024-6564 - CVE House
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Status published Medium CVE-2024-6564

Buffer overflow in Rensas RCAR

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Tomer Fichman

References

More from Renesas

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CVE-2024-6563
Buffer Overflow Arbitrary Write
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CVE-2024-6287
Incorrect Address Range Calculations
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CVE-2024-6285
Integer Underflow in Memory Range Check in Renesas RCAR
High 7.5
CVE-2024-1633
FIP Header Integer Overflow
Low 2

Affected Vendor

Affected Software

rcar_gen3_v2.5
Vulnerable Versions:
c2f286820471ed276c57e603762bd831873e5a17

Timeline

Official Publish: July 8th, 2024
Last Modified: August 1st, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-120

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control