CVE-2011-4354

{"id": "CVE-2011-4354", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-01-27T00:55:01.033", "references": [{"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": "secalert@redhat.com"}, {"url": "http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest", "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2012/dsa-2390", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=757909", "source": "secalert@redhat.com"}, {"url": "http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://eprint.iacr.org/2011/633", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://marc.info/?t=119271238800004", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://openwall.com/lists/oss-security/2011/12/01/6", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2012/dsa-2390", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=757909", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-310"}]}], "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."}, {"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."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "9AEAB1A1-9613-449E-BCF4-3DE365582EB0", "versionEndIncluding": "0.9.8g"}, {"criteria": "cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "738E2D3C-1C7D-4F85-B0DE-608BB5059337"}, {"criteria": "cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:x86:*", "vulnerable": true, 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