GSD-2023-26245

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppUpgrade binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the version check in order to install any firmware version (e.g., newer, older, or customized). This indirectly allows an attacker to install custom firmware in the IVI system.
Aliases
Aliases
CVE-2023-26245
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{
  "GSD": {
    "alias": "CVE-2023-26245",
    "id": "GSD-2023-26245"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-26245"
      ],
      "details": "An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppUpgrade binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the version check in order to install any firmware version (e.g., newer, older, or customized). This indirectly allows an attacker to install custom firmware in the IVI system.",
      "id": "GSD-2023-26245",
      "modified": "2023-12-13T01:20:54.052658Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-26245",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
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      "data_type": "CVE",
      "data_version": "4.0",
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            "value": "An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppUpgrade binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the version check in order to install any firmware version (e.g., newer, older, or customized). This indirectly allows an attacker to install custom firmware in the IVI system."
          }
        ]
      },
      "problemtype": {
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              {
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                "value": "n/a"
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        "reference_data": [
          {
            "name": "https://sowhat.iit.cnr.it",
            "refsource": "MISC",
            "url": "https://sowhat.iit.cnr.it"
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          {
            "name": "https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdf",
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            "refsource": "MISC",
            "url": "https://sowhat.iit.cnr.it:8443/can-work/chimaera"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
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                "children": [],
                "cpe_match": [
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                    "cpe_name": [],
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                    "cpe_name": [],
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                "operator": "OR"
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                "cpe_match": [
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        "description": {
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              "value": "An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppUpgrade binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the version check in order to install any firmware version (e.g., newer, older, or customized). This indirectly allows an attacker to install custom firmware in the IVI system."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
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                  "value": "CWE-269"
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          "reference_data": [
            {
              "name": "https://sowhat.iit.cnr.it:8443/can-work/chimaera",
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            },
            {
              "name": "https://sowhat.iit.cnr.it",
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              "tags": [
                "Not Applicable"
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              "url": "https://sowhat.iit.cnr.it"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-05-08T14:15Z",
      "publishedDate": "2023-04-27T01:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.