CVE-2024-38433: Nuvoton - CWE-305: Authentication Bypass by Primary Weakness

Published Jul 11, 2024
·
Updated

Nuvoton - CWE-305: Authentication Bypass by Primary Weakness

An attacker with write access to the SPI-Flash on an NPCM7xx BMC subsystem that uses the Nuvoton BootBlock

reference code can modify the u-boot image header on flash parsed by the BootBlock which could lead to arbitrary code

execution.

Affected Software

8 affected components
All of the following
Nuvoton Npcm750r Firmware<10.10.19
Nuvoton Npcm750r
All of the following
Nuvoton Npcm710r Firmware<10.10.19
Nuvoton Npcm710r
All of the following
Nuvoton Npcm730r Firmware<10.10.19
Nuvoton Npcm730r
All of the following
Nuvoton Npcm705r Firmware<10.10.19
Nuvoton Npcm705r

Remediation

Information

Upgrade to v10.10.19

Event History

Jul 11, 2024
CVE Published
via MITRE·07:50 AM
Data Sourced
via MITRE·07:50 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2024-38433?

CVE-2024-38433 has not been assigned a specific severity score, but it involves an authentication bypass vulnerability that could lead to serious security implications.

2

What systems are affected by CVE-2024-38433?

CVE-2024-38433 affects Nuvoton NPCM7xx BMC subsystems running specific versions of Nuvoton firmware prior to 10.10.19.

3

How do I fix CVE-2024-38433?

To mitigate CVE-2024-38433, update to the latest firmware version that is above 10.10.19 for the affected Nuvoton NPCM7xx systems.

4

What kind of attack does CVE-2024-38433 allow?

CVE-2024-38433 allows an attacker with write access to the SPI-Flash to modify critical parts of the system, potentially resulting in arbitrary code execution.

5

Who can exploit CVE-2024-38433?

An attacker with physical write access to the SPI-Flash memory of the affected Nuvoton BMC subsystem can exploit CVE-2024-38433.

Contact

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