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CVE-2024-38433

July 11, 2024, 1:05 p.m.

CVSS Score

6.7 / 10

Product(s) Impacted

Nuvoton BootBlock

Description

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.

Weaknesses

CWE-305
Authentication Bypass by Primary Weakness

The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

CWE ID: 305

Date

Published: July 11, 2024, 8:15 a.m.

Last Modified: July 11, 2024, 1:05 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cna@cyber.gov.il

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
6.7
Exploitability Score
0.8
Impact Score
5.9
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://www.gov.il/ cna@cyber.gov.il