{
  "id": "CVE-2020-27207",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-11-26T17:15:11.113",
  "lastModified": "2020-12-03T20:01:37.227",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read."
    },
    {
      "lang": "es",
      "value": "Zetetic SQLCipher versiones 4.x anteriores a 4.4.1, presenta un uso de la memoria previamente liberada, relacionado con las funciones sqlcipher_codec_pragma y sqlite3Strlen30 en el archivo sqlite3.c. Un ataque de denegaci\u00f3n de servicio remota puede ser llevado a cabo. Por ejemplo, una inyecci\u00f3n SQL puede ser usada para ejecutar una secuencia de comandos SQL dise\u00f1ada. Despu\u00e9s de eso, algunos datos de RAM inesperados son le\u00eddos"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zetetic:sqlcipher:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.0",
              "versionEndExcluding": "4.4.1",
              "matchCriteriaId": "ADECCC13-F2EB-4B6A-A030-76F49DF1800E"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}