{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-04-18T00:00:00.000Z", "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-09-18T12:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://www.wireshark.org/news/20110418.html"}, {"name": "[oss-security] 20110531 CVE request for Wireshark 1.4.5 TCP DoS issue", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://openwall.com/lists/oss-security/2011/05/31/19"}, {"name": "oval:org.mitre.oval:def:14943", "tags": ["vdb-entry", "signature", "x_refsource_OVAL"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943"}, {"name": "wireshark-desegmenttcp-dos(67789)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67789"}, {"name": "[oss-security] 20110601 Re: CVE request for Wireshark 1.4.5 TCP DoS issue", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://openwall.com/lists/oss-security/2011/06/01/9"}, {"name": "44449", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/44449"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T22:46:00.933Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.wireshark.org/news/20110418.html"}, {"name": "[oss-security] 20110531 CVE request for Wireshark 1.4.5 TCP DoS issue", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://openwall.com/lists/oss-security/2011/05/31/19"}, {"name": "oval:org.mitre.oval:def:14943", "tags": ["vdb-entry", "signature", "x_refsource_OVAL", "x_transferred"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943"}, {"name": "wireshark-desegmenttcp-dos(67789)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67789"}, {"name": "[oss-security] 20110601 Re: CVE request for Wireshark 1.4.5 TCP DoS issue", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://openwall.com/lists/oss-security/2011/06/01/9"}, {"name": "44449", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/44449"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-1956", "datePublished": "2011-06-06T19:00:00.000Z", "dateReserved": "2011-05-09T00:00:00.000Z", "dateUpdated": "2024-08-06T22:46:00.933Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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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": "2026-04-29T01:13:23.040", "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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