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CVE-2020-14393

Estado: ModificadaAlta (7.1)—

A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.

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 (4)

Debian — Debian LinuxFedoraproject — FedoraOpensuse — LeapPerl — Database Interface

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-14393",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "perl-dbi",
          "versions": [
            {
              "status": "affected",
              "version": "perl-DBI before version 1.643"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-09-16T14:15:12.860",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html",
      "tags": [
        "Third Party Advisory"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html",
      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1877409",
      "tags": [
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        "Patch",
        "Third Party Advisory"
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      "source": "secalert@redhat.com"
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
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      "source": "secalert@redhat.com"
    },
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    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data."
    },
    {
      "lang": "es",
      "value": "Se encontró un desbordamiento de búfer en perl-DBI versiones anteriores a 1.643 en el archivo DBI.xs. Un atacante local que es capaz de suministrar una cadena de más de 300 caracteres que podría causar una escritura fuera de límites, afectando la disponibilidad del servicio o la integridad de los datos"
    }
  ],
  "lastModified": "2026-06-17T02:54:41.233",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:perl:database_interface:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D7B50234-51E3-40C3-A120-EEE5023325E3",
              "versionEndExcluding": "1.643"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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            }
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    {
      "nodes": [
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          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"
            }
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          "operator": "OR"
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  "sourceIdentifier": "secalert@redhat.com"
}