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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*", "matchCriteriaId": "E3BD288F-03CF-4D4B-ACFD-285972068291", "versionEndIncluding": "3.6.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server."}, {"lang": "es", "value": "Se ha detectado un ataque de or\u00e1culo de relleno basado en canales laterales de tipo Bleichenbacher en la manera en la que gnutls maneja la verificaci\u00f3n de los datos PKCS#1 v1.5 descifrados de un cifrado RSA. Un atacante que sea capaz de ejecutar un proceso en el mismo n\u00facleo f\u00edsico que el proceso v\u00edctima podr\u00eda usarlo para extraer texto plano o, en algunos casos, desactualizar algunas conexiones TLS a un servidor vulnerable."}], "id": "CVE-2018-16868", "lastModified": "2024-11-21T03:53:29.250", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 0.3, "impactScore": 4.0, "source": "[email protected]", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 0.4, "impactScore": 4.7, "source": "[email protected]", "type": "Primary"}]}, "published": "2018-12-03T14:29:00.333", "references": [{"source": "[email protected]", "tags": ["Technical Description", "Third Party Advisory"], "url": "http://cat.eyalro.net/"}, {"source": "[email protected]", "tags": ["Broken Link", "Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html"}, {"source": "[email protected]", "tags": ["Broken Link", "Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html"}, {"source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106080"}, {"source": "[email protected]", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Technical Description", "Third Party Advisory"], "url": "http://cat.eyalro.net/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106080"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "[email protected]", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-203"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "gnutls: Bleichenbacher-like side channel leakage in PKCS#1 v1.5 verification and padding oracle verification", "id": "1654929", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1654929"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-203", "details": ["A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.", "A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process could use this to extract plain text or, in some cases, downgrade any TLS connections to a vulnerable server."], "name": "CVE-2018-16868", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mingw-gnutls", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Will not fix", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Will not fix", "package_name": "rhvm-appliance", "product_name": "Red Hat Virtualization 4"}], "public_date": "2018-11-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-16868\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-16868\nhttp://cat.eyalro.net/"], "threat_severity": "Moderate"}