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CVE-2019-19481

Estado: ModificadaMedia (4.6)—

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

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)

Opensc Project — Opensc

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-19481",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "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": 4.6,
          "attackVector": "PHYSICAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-01T23:15:10.807",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/12/29/1",
      "tags": [
        "Mailing List"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2019/12/29/1",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en OpenSC versiones hasta 0.19.0 y versiones 0.20.x hasta 0.20.0-rc3. El archivo libopensc/card-cac1.c maneja inapropiadamente los límites del búfer para los certificados CAC."
    }
  ],
  "lastModified": "2026-06-17T02:26:44.520",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensc_project:opensc:0.19.0:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "17EB32E0-0F48-4DFB-990A-2B7B159B36E7"
            },
            {
              "criteria": "cpe:2.3:a:opensc_project:opensc:0.20.0:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B40AD56D-CA2A-41D0-A0B5-C5ACF6F21858"
            },
            {
              "criteria": "cpe:2.3:a:opensc_project:opensc:0.20.0:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9C6258EA-E2DE-4AB0-BCF8-E4F550E80A4E"
            },
            {
              "criteria": "cpe:2.3:a:opensc_project:opensc:0.20.0:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "69C9C1EF-1A86-44CD-A147-5DEA86441FC2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}