{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-05-17T00:00:00", "descriptions": [{"lang": "en", "value": "The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2011-09-07T09:00:00", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "MDVSA-2011:136", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:136"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.kb.cert.org/vuls/id/MAPG-8FENZ3"}, {"name": "MDVSA-2011:137", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:137"}, {"name": "DSA-2309", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2011/dsa-2309"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://support.apple.com/kb/HT5784"}, {"name": "APPLE-SA-2013-06-04-1", "tags": ["vendor-advisory", "x_refsource_APPLE"], "url": "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html"}, {"name": "openSUSE-SU-2011:0634", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "https://hermes.opensuse.org/messages/8760466"}, {"name": "VU#536044", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "http://www.kb.cert.org/vuls/id/536044"}, {"name": "SUSE-SU-2011:0636", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "https://hermes.opensuse.org/messages/8764170"}, {"name": "44935", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/44935"}, {"tags": ["x_refsource_MISC"], "url": "http://eprint.iacr.org/2011/232.pdf"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-1945", "datePublished": "2011-05-31T20:00:00", "dateReserved": "2011-05-09T00:00:00", "dateUpdated": "2011-09-07T09:00:00", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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cuando el algoritmo de firma digital de la curva el\u00edmptica(ECDSA) se utiliza para el conjunto de cifrado ECDHE_ECDSA, no aplica adecuadamente las curvas sobre campos binarios, lo que hace que sea m\u00e1s f\u00e1cil para el atacantes dependientes del contexto determinar las claves privadas a trav\u00e9s de un ataque de oportunidad y un c\u00e1lculo del entramado (lattice)."}], "id": "CVE-2011-1945", "lastModified": "2013-06-06T03:10:23.800", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-05-31T20:55:05.267", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit"], "url": "http://eprint.iacr.org/2011/232.pdf"}, {"source": "secalert@redhat.com", "url": "http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/44935"}, {"source": "secalert@redhat.com", "url": "http://support.apple.com/kb/HT5784"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2011/dsa-2309"}, {"source": "secalert@redhat.com", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/536044"}, {"source": "secalert@redhat.com", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/MAPG-8FENZ3"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:136"}, {"source": "secalert@redhat.com", "url": 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