« Volver al listado

CVE-2004-0257

Estado: ModificadaMedia (5)—

OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port.

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)

Netbsd — NetbsdOpenbsd — Openbsd

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2004-0257",
  "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2004-11-23T05:00:00.000",
  "references": [
    {
      "url": "ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016704.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=107604603226564&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.guninski.com/obsdmtu.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/3825",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/9577",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/15044",
      "source": "cve@mitre.org"
    },
    {
      "url": "ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016704.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=107604603226564&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.guninski.com/obsdmtu.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/3825",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/9577",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/15044",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port."
    },
    {
      "lang": "es",
      "value": "OpenBSD 3.4 y NetBSD 1.6 y 1.6.1 permiten a atacantes remotos causar una denegación de servicio (caida) enviand un paquete IPv6 con una MTU pequeña a un puerto en escucha y a continuación un conectar TCP a ese puerto."
    }
  ],
  "lastModified": "2026-06-16T22:05:16.100",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "28A10F5A-067E-4DD8-B585-ABCD6F6B324E"
            },
            {
              "criteria": "cpe:2.3:o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "249FA642-3732-4654-88CB-3F1D19A5860A"
            },
            {
              "criteria": "cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "60DA30A1-3360-46BC-85B7-008D535F95BE"
            },
            {
              "criteria": "cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DA33E7E2-DE7B-411E-8991-718DA0988C51"
            },
            {
              "criteria": "cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1957B3C0-7F25-469B-BC3F-7B09260837ED"
            },
            {
              "criteria": "cpe:2.3:o:openbsd:openbsd:3.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AC46909F-DDFC-448B-BCDF-1EB343F96630"
            },
            {
              "criteria": "cpe:2.3:o:openbsd:openbsd:3.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9496279F-AB43-4B53-81A6-87C651ABC4BA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}