{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2007-10-18T00:00:00", "descriptions": [{"lang": "en", "value": "crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2012-11-06T10:00:00", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=757909"}, {"name": "[oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keys", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://openwall.com/lists/oss-security/2011/12/01/6"}, {"tags": ["x_refsource_MISC"], "url": "http://eprint.iacr.org/2011/633"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21"}, {"name": "DSA-2390", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2012/dsa-2390"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://marc.info/?t=119271238800004"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-4354", "datePublished": "2012-01-27T00:00:00", "dateReserved": "2011-11-04T00:00:00", "dateUpdated": "2012-11-06T10:00:00", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts."}, {"lang": "es", "value": "crypto/bn/bn_nist.c en OpenSSL anterior a v0.9.8h en plataformas de 32 bits, como se utiliza en stunnel y otros productos, en determinadas circunstancias, la participaci\u00f3n ECDH o suites ECDHE cifrado, utiliza un algoritmo de reducci\u00f3n incorrecta modular en la aplicaci\u00f3n de la P-256 y P 384-NIST el\u00edptica curvas, lo que permite a atacantes remotos obtener la clave privada de un servidor de TLS a trav\u00e9s de m\u00faltiples intentos de apret\u00f3n de manos."}], "id": "CVE-2011-4354", "lastModified": "2012-11-06T05:03:37.813", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-01-27T00:55:01.033", "references": [{"source": "secalert@redhat.com", "url": "http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip"}, {"source": "secalert@redhat.com", "url": "http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21"}, {"source": "secalert@redhat.com", "url": "http://eprint.iacr.org/2011/633"}, {"source": "secalert@redhat.com", "url": "http://marc.info/?t=119271238800004"}, {"source": "secalert@redhat.com", "url": "http://openwall.com/lists/oss-security/2011/12/01/6"}, {"source": 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