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CVE-2025-48387

Estado: AplazadaAlta (8.7)—

tar-fs provides filesystem bindings for tar-stream. Versions prior to 3.0.9, 2.1.3, and 1.16.5 have an issue where an extract can write outside the specified dir with a specific tarball. This has been patched in versions 3.0.9, 2.1.3, and 1.16.5. As a workaround, use the ignore option to ignore non files/directories.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad de path traversal (CWE-22) en tar-fs remota sin autenticación (AV:N/PR:N/UI:N) permite lectura/escritura fuera del directorio especificado. Explotación remota (T1190) con impacto de integridad (VI:H) en datos extraídos.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Network SegmentationVulnerability ScanningRestrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageLimit Access to Resource Over Network

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Tar-fs — Tar-fsAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-48387",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-48387",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-06-03T02:03:18.780964Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 8.7,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "mafintosh",
          "product": "tar-fs",
          "versions": [
            {
              "status": "affected",
              "version": "< 1.16.5"
            },
            {
              "status": "affected",
              "version": ">= 2.0.0, < 2.1.3"
            },
            {
              "status": "affected",
              "version": ">= 3.0.0, < 3.0.9"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-06-02T20:15:22.930",
  "references": [
    {
      "url": "https://github.com/google/security-research/security/advisories/GHSA-xrg4-qp5w-2c3w",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/mafintosh/tar-fs/commit/647447b572bc135c41035e82ca7b894f02b17f0f",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/mafintosh/tar-fs/security/advisories/GHSA-8cj5-5rvv-wf4v",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00012.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "tar-fs provides filesystem bindings for tar-stream. Versions prior to 3.0.9, 2.1.3, and 1.16.5 have an issue where an extract can write outside the specified dir with a specific tarball. This has been patched in versions 3.0.9, 2.1.3, and 1.16.5. As a workaround, use the ignore option to ignore non files/directories."
    },
    {
      "lang": "es",
      "value": "tar-fs proporciona enlaces de sistema de archivos para tar-stream. Las versiones anteriores a 3.0.9, 2.1.3 y 1.16.5 presentan un problema que permite que un extracto escriba fuera del directorio especificado con un archivo tar específico. Esto se ha corregido en las versiones 3.0.9, 2.1.3 y 1.16.5. Como workaround, utilice la opción ignorar para ignorar archivos o directorios que no sean archivos."
    }
  ],
  "lastModified": "2026-06-17T09:29:35.470",
  "sourceIdentifier": "security-advisories@github.com"
}