{
  "id": "CVE-2019-20917",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-09-11T05:15:12.480",
  "lastModified": "2023-01-27T18:22:31.907",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in InspIRCd 2 before 2.0.28 and 3 before 3.3.0. The mysql module contains a NULL pointer dereference when built against mariadb-connector-c 3.0.5 or newer. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en InspIRCd versiones 2 anteriores a 2.0.28 y versiones 3 anteriores a 3.3.0. El m\u00f3dulo mysql contiene una desreferencia del puntero NULL cuando se construye contra el mariadb-connector-c versi\u00f3n 3.0.5 o m\u00e1s reciente. Cuando es combinado con los m\u00f3dulos sqlauth o sqloper, esta vulnerabilidad puede ser usada  para el bloqueo remoto de un servidor de InspIRCd por cualquier usuario que pueda conectarse a un servidor"
    }
  ],
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "https://docs.inspircd.org/security/2019-02/",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
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      "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html",
      "source": "cve@mitre.org",
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        "Third Party Advisory"
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    },
    {
      "url": "https://www.debian.org/security/2020/dsa-4764",
      "source": "cve@mitre.org",
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}