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CVE-2003-0430

Status: ModifiedMedium (5)—

The SPNEGO dissector in Ethereal 0.9.12 and earlier allows remote attackers to cause a denial of service (crash) via an invalid ASN.1 value.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Ethereal Group — Ethereal

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2003-0430",
  "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": "2003-07-24T04:00:00.000",
  "references": [
    {
      "url": "ftp://ftp.sco.com/pub/security/OpenLinux/CSSA-2003-030.0.txt",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000662",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/9007",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ethereal.com/appnotes/enpa-sa-00010.html",
      "tags": [
        "Patch",
        "Vendor Advisory",
        "URL Repurposed"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2003-077.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A88",
      "source": "cve@mitre.org"
    },
    {
      "url": "ftp://ftp.sco.com/pub/security/OpenLinux/CSSA-2003-030.0.txt",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000662",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/9007",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ethereal.com/appnotes/enpa-sa-00010.html",
      "tags": [
        "Patch",
        "Vendor Advisory",
        "URL Repurposed"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2003-077.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A88",
      "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": "The SPNEGO dissector in Ethereal 0.9.12 and earlier allows remote attackers to cause a denial of service (crash) via an invalid ASN.1 value."
    },
    {
      "lang": "es",
      "value": "El examinador de SPNEGO en Ethereal 0.9.12 y anteriores permite a atacantes remotos causar una denegación de servicio (caída) mediante un valor ASN.1 inválido."
    }
  ],
  "lastModified": "2026-06-16T22:02:11.393",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ethereal_group:ethereal:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B1F00E28-CBCD-44DC-A884-940388DCCBD5",
              "versionEndIncluding": "0.9.12"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}