CVE-2017-7479

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{"affected": [{"affectedData": [{"product": "openvpn", "vendor": "OpenVPN Technologies, Inc", "versions": [{"status": "affected", "version": "< 2.3.15"}, {"status": "affected", "version": "< 2.4.2"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*", "matchCriteriaId": "2B92389B-7815-40EC-AA21-14154621BFAC", "versionEndIncluding": "2.3.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "84F5C67A-34A4-4C7E-BCA9-AF3E5FC70AF6", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*", "matchCriteriaId": "A857CA88-60B0-4D34-87B6-770B67981501", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "B42297EE-B347-4BD8-A657-BDF0AA010C06", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "7C7A56E8-09C8-4DB2-9244-9E5E2BEC1821", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "41ACD637-EF6B-40E4-BDE6-0EE7D6AEBAD4", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "1A4150AD-3F46-487D-BCF8-79D0AE2A092D", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "E7F7663E-3EB5-44F4-B7DE-294A549A12BE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker."}, {"lang": "es", "value": "OpenVPN versiones anteriores a 2.3.15 y anteriores a 2.4.2, son vulnerables a una aserci\u00f3n alcanzable cuando el contador del identificador de paquete se devuelve como resultado de una denegaci\u00f3n de servicio del servidor por parte de un atacante autenticado."}], "id": "CVE-2017-7479", "lastModified": "2026-06-17T01:24:25.843", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-05-15T18:29:00.340", "references": [{"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2017/dsa-3900"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/98443"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1038473"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2017/dsa-3900"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/98443"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1038473"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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