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CVE-2018-20252

Estado: ModificadaAlta (7.8)—

In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.

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)

Rarlab — Winrar

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-20252",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@checkpoint.com",
      "affectedData": [
        {
          "vendor": "Check Point Software Technologies Ltd.",
          "product": "WinRAR",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior and including 5.60"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-02-05T20:29:00.320",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106948",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://research.checkpoint.com/extracting-code-execution-from-winrar/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://www.win-rar.com/whatsnew.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/106948",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://research.checkpoint.com/extracting-code-execution-from-winrar/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.win-rar.com/whatsnew.html",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@checkpoint.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user."
    },
    {
      "lang": "es",
      "value": "En WinRAR, en versiones anteriores la 5.60 (inclusive), hay una vulnerabilidad de escritura fuera de límites durante el análisis de formatos de archivo ACE y RAR manipulados. Su explotación con éxito podría permitir la ejecución arbitraria de código en el contexto del usuario actual."
    }
  ],
  "lastModified": "2026-06-17T01:52:34.320",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1BE78CF2-EF53-4E6E-AA07-57438305ED20",
              "versionEndIncluding": "5.60"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com"
}