FKIE_CVE-2011-1956

Vulnerability from fkie_nvd - Published: 2011-06-06 19:55 - Updated: 2026-06-16 23:30
Severity
Summary
The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic.
References
secalert@redhat.comhttp://openwall.com/lists/oss-security/2011/05/31/19Exploit
secalert@redhat.comhttp://openwall.com/lists/oss-security/2011/06/01/9Exploit
secalert@redhat.comhttp://secunia.com/advisories/44449
secalert@redhat.comhttp://www.wireshark.org/docs/relnotes/wireshark-1.4.6.htmlPatch
secalert@redhat.comhttp://www.wireshark.org/news/20110418.htmlPatch
secalert@redhat.comhttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837Exploit
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/67789
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/05/31/19Exploit
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/06/01/9Exploit
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/44449
af854a3a-2127-422b-91ae-364da2661108http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.htmlPatch
af854a3a-2127-422b-91ae-364da2661108http://www.wireshark.org/news/20110418.htmlPatch
af854a3a-2127-422b-91ae-364da2661108https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837Exploit
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/67789
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943
Impacted products
Vendor Product Version
wireshark wireshark 1.4.5
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "7E96B426-8563-4BC2-909A-72457D7159FF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic."
    },
    {
      "lang": "es",
      "value": "Funci\u00f3n bytes_repr_len en Wireshark v1.4.5 utiliza un argumento de puntero incorrecto, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio ( desreferenciar punteros nulos y bloqueo de la aplicaci\u00f3n ) a trav\u00e9s tr\u00e1fico TCP arbitrario."
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\u0027CWE-476: NULL Pointer Dereference\u0027",
  "id": "CVE-2011-1956",
  "lastModified": "2026-06-16T23:30:27.753",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ]
  },
  "published": "2011-06-06T19:55:02.660",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit"
      ],
      "url": "http://openwall.com/lists/oss-security/2011/05/31/19"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit"
      ],
      "url": "http://openwall.com/lists/oss-security/2011/06/01/9"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/44449"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ],
      "url": "http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ],
      "url": "http://www.wireshark.org/news/20110418.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit"
      ],
      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67789"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://openwall.com/lists/oss-security/2011/05/31/19"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://openwall.com/lists/oss-security/2011/06/01/9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/44449"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.wireshark.org/news/20110418.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67789"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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