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INCDVULNRICHMENT:CVE-2024-38433

HistoryJul 11, 2024 - 7:50 a.m.

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

2024-07-1107:50:45

CWE-305

INCD

github.com

spi-flash access

npcm7xx bmc

nuvoton bootblock

u-boot image header

arbitrary code execution

cve-2024-38433

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

total

JSON

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.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:o:nuvoton:npcm7xx_firmware:*:*:*:*:*:*:*:*"
    ],
    "vendor": "nuvoton",
    "product": "npcm7xx_firmware",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "v10.10.19",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

References

www.gov.il/en/Departments/faq/cve_advisories

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

total

JSON

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