GSD-2023-4818

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.  The attacker must have physical USB access to the device in order to exploit this vulnerability.
Aliases
Aliases
CVE-2023-4818
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{
  "GSD": {
    "alias": "CVE-2023-4818",
    "id": "GSD-2023-4818"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-4818"
      ],
      "details": "PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.\u00a0\n\n\n\n\nThe attacker must have physical USB access to the device in order to exploit this vulnerability.\n\n",
      "id": "GSD-2023-4818",
      "modified": "2023-12-13T01:20:26.907152Z",
      "schema_version": "1.4.0"
    }
  },
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                          "version_affected": "\u003c",
                          "version_name": "0",
                          "version_value": "A920_AP_Boot_Release_V5.14"
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            }
          ]
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      },
      "credits": [
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          }
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              }
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        "reference_data": [
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            "name": "https://ppn.paxengine.com/release/development",
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      "source": {
        "discovery": "UNKNOWN"
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            "value": "PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.\u00a0\n\n\n\n\nThe attacker must have physical USB access to the device in order to exploit this vulnerability.\n\n"
          },
          {
            "lang": "es",
            "value": "El dispositivo PAX A920 permite degradar el gestor de arranque debido a un error en la verificaci\u00f3n de versi\u00f3n. La firma est\u00e1 correctamente comprobada y s\u00f3lo se puede utilizar el gestor de arranque firmado por PAX. El atacante debe tener acceso USB f\u00edsico al dispositivo para poder aprovechar esta vulnerabilidad."
          }
        ],
        "id": "CVE-2023-4818",
        "lastModified": "2024-01-19T16:35:49.683",
        "metrics": {
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                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
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  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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