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CVE-2011-4100

Estado: ModificadaMedia (4.3)—

La función csnStreamDissector en epan/dissectors/packet-csn1.c en el CSN.1 dissector en Wireshark v1.6.x anterior a v1.6.3 no inicializa una determinada variable, que permite a atacantes remotos provocar una denegación de servicio (caída de aplicación) a través de un paquete con formato erróneo.

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)

Wireshark — Wireshark

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-4100",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-11-03T15:55:00.950",
  "references": [
    {
      "url": "http://anonsvn.wireshark.org/viewvc?view=revision&revision=39140",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2011/11/01/9",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://osvdb.org/76768",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/46644",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/50479",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.wireshark.org/security/wnpa-sec-2011-17.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750643",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71090",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://anonsvn.wireshark.org/viewvc?view=revision&revision=39140",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2011/11/01/9",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/76768",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/46644",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/50479",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.wireshark.org/security/wnpa-sec-2011-17.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750643",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71090",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet."
    },
    {
      "lang": "es",
      "value": "La función csnStreamDissector en epan/dissectors/packet-csn1.c en el CSN.1 dissector en Wireshark v1.6.x anterior a v1.6.3 no inicializa una determinada variable, que permite a atacantes remotos provocar una denegación de servicio (caída de aplicación) a través de un paquete con formato erróneo."
    }
  ],
  "lastModified": "2026-06-16T23:34:25.463",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0738C9A6-0370-447D-91E6-EB59ECC92224"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "05A83A69-D49D-48D0-8FFE-4887F15ACD33"
            },
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.6.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B9CA0830-9AFE-499F-903F-D9C3B5CCC982"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}