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"descriptions": [{"lang": "en", "value": "The _gnutls_server_name_recv_params function in lib/ext_server_name.c in libgnutls in gnutls-serv in GnuTLS before 2.2.4 does not properly calculate the number of Server Names in a TLS 1.0 Client Hello message during extension handling, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a zero value for the length of Server Names, which leads to a buffer overflow in session resumption data in the pack_security_parameters function, aka GNUTLS-SA-2008-1-1."}, {"lang": "es", "value": "La funci\u00f3n _gnutls_server_name_recv_params de lib/ext_server_name.c en libgnutls de gnutls-serv en GnuTLS versiones anteriores a la 2.2.4, no calcula correctamente el n\u00famero de Nombre de Servidor en un mensaje Hello TLS 1.0 durante la gesti\u00f3n de extensiones, lo cual permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) o posiblemente ejecutar c\u00f3digo arbitrariamente a trav\u00e9s de un valor cero para la longitud de los Nombres de Servidores, lo que conlleva un desbordamiento de b\u00fafer en una sesi\u00f3n de reanudaci\u00f3n de datos en la funci\u00f3n pack_security_parameters, tambi\u00e9n conocida como GNUTLS-SA-2008-1-1."}], "id": "CVE-2008-1948", "lastModified": "2024-11-21T00:45:44.003", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}]}, "published": "2008-05-21T13:24:00.000", "references": [{"source": 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"sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "[email protected]", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2008:0492", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "gnutls-0:1.0.20-4.el4_6", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2008-05-20T00:00:00Z"}, {"advisory": "RHSA-2008:0489", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "gnutls-0:1.4.1-3.el5_1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2008-05-20T00:00:00Z"}], "bugzilla": {"description": "GNUTLS-SA-2008-1-1 GnuTLS buffer overflow", "id": "447461", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=447461"}, "csaw": false, "details": ["The _gnutls_server_name_recv_params function in lib/ext_server_name.c in libgnutls in gnutls-serv in GnuTLS before 2.2.4 does not properly calculate the number of Server Names in a TLS 1.0 Client Hello message during extension handling, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a zero value for the length of Server Names, which leads to a buffer overflow in session resumption data in the pack_security_parameters function, aka GNUTLS-SA-2008-1-1."], "name": "CVE-2008-1948", "public_date": "2008-05-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2008-1948\nhttps://nvd.nist.gov/vuln/detail/CVE-2008-1948"], "threat_severity": "Critical", "upstream_fix": "2.0.4 3.fc9"}