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CVE-2019-15878

Estado: ModificadaAlta (7.8)—

In FreeBSD 12.1-STABLE before r352509, 11.3-STABLE before r352509, and 11.3-RELEASE before p9, an unprivileged local user can trigger a use-after-free situation due to improper checking in SCTP when an application tries to update an SCTP-AUTH shared key.

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-2019-15878",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secteam@freebsd.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "FreeBSD",
          "versions": [
            {
              "status": "affected",
              "version": "FreeBSD 11.3-RELEASE before p9"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-05-13T16:15:12.620",
  "references": [
    {
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:14.sctp.asc",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secteam@freebsd.org"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20200518-0007/",
      "source": "secteam@freebsd.org"
    },
    {
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:14.sctp.asc",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20200518-0007/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In FreeBSD 12.1-STABLE before r352509, 11.3-STABLE before r352509, and 11.3-RELEASE before p9, an unprivileged local user can trigger a use-after-free situation due to improper checking in SCTP when an application tries to update an SCTP-AUTH shared key."
    },
    {
      "lang": "es",
      "value": "En FreeBSD versiones 12.1-STABLE anteriores a r352509, versiones 11.3-STABLE anteriores a r352509 y versiones 11.3-RELEASE anteriores a p9, un usuario local no privilegiado puede desencadenar una situación de uso de la memoria previamente liberada debido a una comprobación inapropiada en SCTP cuando una aplicación intenta actualizar una clave compartida SCTP-AUTH."
    }
  ],
  "lastModified": "2026-06-17T02:21:15.697",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "EA929713-B797-494A-853D-C121D9D69519"
            },
            {
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              "matchCriteriaId": "3C3D8EDC-91D3-45B2-AC1D-EF4346D4A714"
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              "vulnerable": true,
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "9419C866-C478-4CDE-A9A1-E592D8FF0933"
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BD730B6A-F123-4685-ACB3-4F20AAAB77F3"
            }
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          "operator": "OR"
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  ],
  "sourceIdentifier": "secteam@freebsd.org"
}