CVE-2011-5094

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NOTA: tambi\u00e9n se puede argumentar que es la responsabilidad de las implementaciones de servidores, no una biblioteca de seguridad, para prevenir o limitar la renegociaci\u00f3n cuando es inapropiado dentro de un entorno espec\u00edfico."}], "id": "CVE-2011-5094", "lastModified": "2026-06-16T23:35:56.103", "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": false}]}, "published": "2012-06-16T21:55:02.500", "references": [{"source": "cve@mitre.org", "url": "http://orchilles.com/2011/03/ssl-renegotiation-dos.html"}, {"source": "cve@mitre.org", "url": "http://vincent.bernat.im/en/blog/2011-ssl-dos-mitigation.html"}, {"source": "cve@mitre.org", "url": "http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html"}, {"source": "cve@mitre.org", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07553.html"}, {"source": "cve@mitre.org", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07564.html"}, {"source": "cve@mitre.org", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07567.html"}, {"source": "cve@mitre.org", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07576.html"}, {"source": "cve@mitre.org", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07577.html"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2011/07/08/2"}, {"source": "cve@mitre.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=707065"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://orchilles.com/2011/03/ssl-renegotiation-dos.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://vincent.bernat.im/en/blog/2011-ssl-dos-mitigation.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07553.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07564.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07567.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07576.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07577.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/07/08/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=707065"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "nss: DoS via repeated SSL session renegotiations", "id": "833118", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833118"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["Mozilla Network Security Services (NSS) 3.x, with certain settings of the SSL_ENABLE_RENEGOTIATION option, does not properly restrict client-initiated renegotiation within the SSL and TLS protocols, which might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection, a different vulnerability than CVE-2011-1473. NOTE: it can also be argued that it is the responsibility of server deployments, not a security library, to prevent or limit renegotiation when it is inappropriate within a specific environment"], "name": "CVE-2011-5094", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "nss", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-03-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-5094\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-5094"], "threat_severity": "Low"}

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