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CVE-2018-8740

Estado: ModificadaAlta (7.5)—

In SQLite through 3.22.0, databases whose schema is corrupted using a CREATE TABLE AS statement could cause a NULL pointer dereference, related to build.c and prepare.c.

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 (2)

Debian — Debian LinuxSqlite — Sqlite

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-8740",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/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": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-03-17T00:29:00.247",
  "references": [
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    {
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      "tags": [
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    },
    {
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      "tags": [
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    },
    {
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    {
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      "source": "cve@mitre.org"
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    {
      "url": "https://www.sqlite.org/cgi/src/timeline?r=corrupt-schema",
      "tags": [
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    },
    {
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      "tags": [
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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    },
    {
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6964",
      "tags": [
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    },
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://www.sqlite.org/cgi/src/timeline?r=corrupt-schema",
      "tags": [
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    },
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      "url": "https://www.sqlite.org/cgi/src/vdiff?from=1774f1c3baf0bc3d&to=d75e67654aa9620b",
      "tags": [
        "Patch",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In SQLite through 3.22.0, databases whose schema is corrupted using a CREATE TABLE AS statement could cause a NULL pointer dereference, related to build.c and prepare.c."
    },
    {
      "lang": "es",
      "value": "En SQLite, hasta la versión 3.22.0, las bases de datos cuyo esquema está corrompido usando una instrucción CREATE TABLE AS podrían provocar una desreferencia de puntero NULL, relacionada con build.c y prepare.c."
    }
  ],
  "lastModified": "2026-06-17T02:05:19.630",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:*",
              "vulnerable": true,
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              "versionEndIncluding": "3.22.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
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            }
          ],
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  ],
  "sourceIdentifier": "cve@mitre.org"
}