CVE-2016-10027

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"Condici\u00f3n de carrera en la librer\u00eda XMPP en Smack en versiones anteriores a 4.1.9, cuando se ha establecido la configuraci\u00f3n TLS SecurityMode.required, permite a atacantes man-in-the-middle eludir las protecciones TLS y desencadenar el uso de texto plano para la autenticaci\u00f3n del cliente eliminando la funci\u00f3n \"starttls\" de una respuesta del servidor."}], "id": "CVE-2016-10027", "lastModified": "2026-06-17T00:38:54.840", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-12T23:59:00.197", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/12/22/12"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95129"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": 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{"bugzilla": {"description": "smack: TLS SecurityMode.required bypass via StripTLS attack", "id": "1406703", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1406703"}, "csaw": false, "cvss": {"cvss_base_score": "5.4", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:P/I:P/A:P", "status": "draft"}, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["Race condition in the XMPP library in Smack before 4.1.9, when the SecurityMode.required TLS setting has been set, allows man-in-the-middle attackers to bypass TLS protections and trigger use of cleartext for client authentication by stripping the \"starttls\" feature from a server response."], "name": "CVE-2016-10027", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:5", "fix_state": "Will not fix", "package_name": "smack", "product_name": "Red Hat JBoss BRMS 5"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Will not fix", "package_name": "camel", "product_name": "Red Hat JBoss Fuse 6"}], "public_date": "2016-11-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-10027\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-10027"], "threat_severity": "Moderate"}

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