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{"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'CWE-476: NULL Pointer Dereference'", "id": "CVE-2011-1956", "lastModified": "2025-04-11T00:51:21.963", "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": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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