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cveINCDCVE-2024-38433
HistoryJul 11, 2024 - 8:15 a.m.

CVE-2024-38433

2024-07-1108:15:10
CWE-305
CWE-287
INCD
web.nvd.nist.gov
28
nuvoton bootblock
authentication bypass
flash modification
arbitrary code executio

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

EPSS

0

Percentile

9.3%

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 configurations

Nvd
Node
nuvotonnpcm750r_firmwareRange<10.10.19
AND
nuvotonnpcm750rMatch-
Node
nuvotonnpcm710r_firmwareRange<10.10.19
AND
nuvotonnpcm710rMatch-
Node
nuvotonnpcm730r_firmwareRange<10.10.19
AND
nuvotonnpcm730rMatch-
Node
nuvotonnpcm705r_firmwareRange<10.10.19
AND
nuvotonnpcm705rMatch-
VendorProductVersionCPE
nuvotonnpcm750r_firmware*cpe:2.3:o:nuvoton:npcm750r_firmware:*:*:*:*:*:*:*:*
nuvotonnpcm750r-cpe:2.3:h:nuvoton:npcm750r:-:*:*:*:*:*:*:*
nuvotonnpcm710r_firmware*cpe:2.3:o:nuvoton:npcm710r_firmware:*:*:*:*:*:*:*:*
nuvotonnpcm710r-cpe:2.3:h:nuvoton:npcm710r:-:*:*:*:*:*:*:*
nuvotonnpcm730r_firmware*cpe:2.3:o:nuvoton:npcm730r_firmware:*:*:*:*:*:*:*:*
nuvotonnpcm730r-cpe:2.3:h:nuvoton:npcm730r:-:*:*:*:*:*:*:*
nuvotonnpcm705r_firmware*cpe:2.3:o:nuvoton:npcm705r_firmware:*:*:*:*:*:*:*:*
nuvotonnpcm705r-cpe:2.3:h:nuvoton:npcm705r:-:*:*:*:*:*:*:*

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "NPCM7xx (Poleg) BootBlock",
    "vendor": "Nuvoton",
    "versions": [
      {
        "lessThan": "v10.10.19",
        "status": "affected",
        "version": "All versions",
        "versionType": "custom"
      }
    ]
  }
]

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

EPSS

0

Percentile

9.3%

Related for CVE-2024-38433