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CVE-2009-1892

Estado: ModificadaMedia (5)—

dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests.

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 (1)

ISC — Dhcp

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-1892",
  "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
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-07-17T16:30:00.843",
  "references": [
    {
      "url": "http://secunia.com/advisories/35830",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/35851",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/36457",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/37342",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2009/dsa-1833",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:154",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/35669",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51717",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/35830",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35851",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/36457",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/37342",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2009/dsa-1833",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:154",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/35669",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51717",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-16"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests."
    },
    {
      "lang": "es",
      "value": "dhcpd en ISC DHCP v3.0.4 y v3.1.1, cuando se utilizan de forma simultánea el identificador de cliente dhcp y la configuración de hardware ethernet, permite a atacantes remotos provocar una denegación de servicio (caída del demonio) a través de una petición no especificada."
    }
  ],
  "lastModified": "2026-06-16T23:08:18.110",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:isc:dhcp:3.0.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1269D9FF-C497-4FA5-90DA-302A9FC1EB75"
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:3.0.4_b1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "34BCCA79-76A8-494A-94CA-BB8FA11891DA"
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:3.0.4_b2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5442D329-81D5-4891-A063-FC6A07D7E1FA"
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:3.0.4_b3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "14F64C1F-92E7-4190-9472-046F34C28539"
            },
            {
              "criteria": "cpe:2.3:a:isc:dhcp:3.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "22D732C6-F89B-4FCA-A949-3F67B4E7A7F2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable.  Red Hat Enterprise Linux 3, 4, and 5 provide earlier versions of ISC DHCP which are not vulnerable to this issue.",
      "lastModified": "2009-07-20T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}