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CVE-2023-5369

Estado: ModificadaAlta (7.1)—

Before correction, the copy_file_range system call checked only for the CAP_READ and CAP_WRITE capabilities on the input and output file descriptors, respectively. Using an offset is logically equivalent to seeking, and the system call must additionally require the CAP_SEEK capability.

This incorrect privilege check enabled sandboxed processes with only read or write but no seek capability on a file descriptor to read data from or write data to an arbitrary location within the file corresponding to that file descriptor.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Freebsd — Freebsd

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-5369",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-5369",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-20T14:51:19.056359Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secteam@freebsd.org",
      "affectedData": [
        {
          "vendor": "FreeBSD",
          "modules": [
            "capsicum"
          ],
          "product": "FreeBSD",
          "versions": [
            {
              "status": "affected",
              "version": "13.2-RELEASE",
              "lessThan": "p4",
              "versionType": "release"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2023-10-04T04:15:14.627",
  "references": [
    {
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-23:13.capsicum.asc",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secteam@freebsd.org"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20231124-0009/",
      "source": "secteam@freebsd.org"
    },
    {
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-23:13.capsicum.asc",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20231124-0009/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secteam@freebsd.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-273"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-273"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Before correction, the copy_file_range system call checked only for the CAP_READ and CAP_WRITE capabilities on the input and output file descriptors, respectively.  Using an offset is logically equivalent to seeking, and the system call must additionally require the CAP_SEEK capability.\n\nThis incorrect privilege check enabled sandboxed processes with only read or write but no seek capability on a file descriptor to read data from or write data to an arbitrary location within the file corresponding to that file descriptor."
    },
    {
      "lang": "es",
      "value": "Antes de la corrección, la llamada al sistema copy_file_range verificó solo las capabilities CAP_READ y CAP_WRITE en los descriptores de archivos de entrada y salida, respectivamente. Usar un desplazamiento es lógicamente equivalente a buscar, y la llamada al sistema debe requerir adicionalmente la capability CAP_SEEK. Esta verificación de privilegios incorrecta permitió que los procesos aislados con solo lectura o escritura pero sin capacidad de búsqueda en un descriptor de archivo leyeran o escribieran datos en una ubicación arbitraria dentro del archivo correspondiente a ese descriptor de archivo."
    }
  ],
  "lastModified": "2026-06-17T06:48:26.670",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:13.2:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A87EFA20-DD6B-41C5-98FD-A29F67D2E732"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secteam@freebsd.org"
}