FKIE_CVE-2024-6564

Vulnerability from fkie_nvd - Published: 2024-07-08 16:15 - Updated: 2026-06-17 08:18
Severity
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Buffer overflow in "rcar_dev_init" due to using due to using untrusted data (rcar_image_number) as a loop counter before verifying it against RCAR_MAX_BL3X_IMAGE. This could lead to a full bypass of secure boot.
References
cve@asrg.iohttps://asrg.io/security-advisories/cve-2024-6564/Third Party Advisory
cve@asrg.iohttps://github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4b87dec09fe2f2Patch
af854a3a-2127-422b-91ae-364da2661108https://asrg.io/security-advisories/cve-2024-6564/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4b87dec09fe2f2Patch
Impacted products
Vendor Product Version
renesas arm-trusted-firmware -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageName": "arm-trusted-firmware",
          "product": "rcar_gen3_v2.5",
          "programFiles": [
            "https://github.com/renesas-rcar/arm-trusted-firmware/blob/rcar_gen3_v2.5/drivers/renesas/common/io/io_rcar.c"
          ],
          "repo": "https://github.com/renesas-rcar/arm-trusted-firmware/",
          "vendor": "Renesas",
          "versions": [
            {
              "lessThanOrEqual": "c9fb3558410032d2660c7f3b7d4b87dec09fe2f2",
              "status": "affected",
              "version": "c2f286820471ed276c57e603762bd831873e5a17",
              "versionType": "git"
            }
          ]
        }
      ],
      "source": "cve@asrg.io"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:renesas:rcar_gen3_v2.5:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "rcar_gen3_v2.5",
          "vendor": "renesas",
          "versions": [
            {
              "lessThanOrEqual": "c9fb3558410032d2660c7f3b7d4b87dec09fe2f2",
              "status": "affected",
              "version": "c2f286820471ed276c57e603762bd831873e5a17",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:renesas:arm-trusted-firmware:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "16A2BDC3-F664-4132-8148-9DB849240F8B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in \"rcar_dev_init\"  due to using due to using untrusted data (rcar_image_number) as a loop counter before verifying it against RCAR_MAX_BL3X_IMAGE. This could lead to a full bypass of secure boot."
    },
    {
      "lang": "es",
      "value": "Desbordamiento del b\u00fafer en \"rcar_dev_init\" debido al uso de datos que no son de confianza (rcar_image_number) como contador de bucle antes de verificarlo con RCAR_MAX_BL3X_IMAGE. Esto podr\u00eda provocar una omisi\u00f3n total del arranque seguro."
    }
  ],
  "id": "CVE-2024-6564",
  "lastModified": "2026-06-17T08:18:15.117",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "cve@asrg.io",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-6564",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-07-09T15:14:13.300448Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-08T16:15:09.423",
  "references": [
    {
      "source": "cve@asrg.io",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://asrg.io/security-advisories/cve-2024-6564/"
    },
    {
      "source": "cve@asrg.io",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4b87dec09fe2f2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://asrg.io/security-advisories/cve-2024-6564/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/renesas-rcar/arm-trusted-firmware/commit/c9fb3558410032d2660c7f3b7d4b87dec09fe2f2"
    }
  ],
  "sourceIdentifier": "cve@asrg.io",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "cve@asrg.io",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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