CVE-2015-7744

{"id": "CVE-2015-7744", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.6, "accessVector": "NETWORK", "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 4.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2016-01-22T15:59:04.570", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1034708", "tags": ["Broken Link", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "wolfSSL (formerly CyaSSL) before 3.6.8 does not properly handle faults associated with the Chinese Remainder Theorem (CRT) process when allowing ephemeral key exchange without low memory optimizations on a server, which makes it easier for remote attackers to obtain private RSA keys by capturing TLS handshakes, aka a Lenstra attack."}, {"lang": "es", "value": "wolfSSL (anteriormente CyaSSL) en versiones anteriores a 3.6.8 no maneja correctamente fallos asociados con el proceso Chinese Remainder Theorem (CRT) cuando permiten el intercambio de claves ef\u00edmeras sin optimizaciones de memoria baja en un servidor, lo que hace que sea m\u00e1s f\u00e1cil para atacantes remotos obtener claves privadas RSA mediante la captura de un apret\u00f3n de manos TLS, tambi\u00e9n conocido como un ataque Lenstra."}], "lastModified": "2022-08-29T20:52:47.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DCCE5683-CB64-46B4-8936-B1FCDD586892", "versionEndExcluding": "3.6.8"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*", 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