{
  "id": "CVE-2009-0362",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2009-02-13T01:30:00.360",
  "lastModified": "2009-02-13T05:00:00.000",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved DNS name (rhost) entry that contains a substring that is interpreted as an IP address, a different vulnerability than CVE-2007-4321."
    },
    {
      "lang": "es",
      "value": "el archivo filter.d/wuftpd.conf en Fail2ban v0.8.3 utiliza una expresi\u00f3n regular incorrecta que permite a los atacantes remotos causar una denegaci\u00f3n de servicio (fallos de autenticaci\u00f3n forzados) a trav\u00e9s de una entrada de nombre DNS de resoluci\u00f3n reversa (rhost) manipulada que contiene una subcadena que es interpretada como una direcci\u00f3n IP, diferente vulnerabilidad que CVE-2007-4321."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "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-287"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:fail2ban:fail2ban:0.8.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE8CF239-5E91-4708-B594-FA825C69DFE9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=514163",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "http://secunia.com/advisories/33890",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/33734",
      "source": "cve@mitre.org"
    }
  ]
}