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CVE-2019-3561

Estado: ModificadaCrítica (9.8)—

Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).

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)

Facebook — Hhvm

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-3561",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve-assign@fb.com",
      "affectedData": [
        {
          "vendor": "Facebook",
          "product": "HHVM",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.4"
            },
            {
              "status": "affected",
              "version": "4.0.0",
              "lessThan": "unspecified",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.30.5"
            },
            {
              "status": "affected",
              "version": "3.30.0",
              "lessThan": "unspecified",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.27.8"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "3.27.8",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-04-29T16:29:00.890",
  "references": [
    {
      "url": "https://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve-assign@fb.com"
    },
    {
      "url": "https://hhvm.com/blog/2019/04/03/hhvm-4.0.4.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-assign@fb.com"
    },
    {
      "url": "https://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://hhvm.com/blog/2019/04/03/hhvm-4.0.4.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-assign@fb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below)."
    },
    {
      "lang": "es",
      "value": "Los controles de límites insuficientes para las funciones strrpos y strripos permiten el acceso a la memoria fuera de límites. Esto afecta a todas las versiones compatibles de HHVM (versiones 4.0.3, 3.30.4 y 3.27.7 e inferiores)."
    }
  ],
  "lastModified": "2026-06-17T02:35:13.977",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "420B9338-DAB4-4421-86B7-E3162134ABC8",
              "versionEndIncluding": "3.27.7"
            },
            {
              "criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6187105D-0594-4D2B-8CA2-938CA8510286",
              "versionEndIncluding": "3.30.4",
              "versionStartIncluding": "3.28.0"
            },
            {
              "criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "05882444-86EB-4E0E-82C9-05B024E3A1DB",
              "versionEndIncluding": "4.0.3",
              "versionStartIncluding": "4.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve-assign@fb.com"
}