CVE-2017-7520

{"containers": {"cna": {"affected": [{"product": "OpenVPN", "vendor": "OpenVPN Technologies, Inc", "versions": [{"status": "affected", "version": "before 2.4.3"}, {"status": "affected", "version": "before 2.3.17"}]}], "datePublic": "2017-06-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "description": "CWE-200", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2017-11-03T18:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"}, {"name": "1038768", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1038768"}, {"name": "99230", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/99230"}, {"name": "DSA-3900", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2017/dsa-3900"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2017-7520", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "OpenVPN", "version": {"version_data": [{"version_value": "before 2.4.3"}, {"version_value": "before 2.3.17"}]}}]}, "vendor_name": "OpenVPN Technologies, Inc"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-200"}]}]}, "references": {"reference_data": [{"name": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243", "refsource": "CONFIRM", "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"}, {"name": "1038768", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1038768"}, {"name": "99230", "refsource": "BID", "url": "http://www.securityfocus.com/bid/99230"}, {"name": "DSA-3900", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2017/dsa-3900"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:04:11.764Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"}, {"name": "1038768", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1038768"}, {"name": "99230", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/99230"}, {"name": "DSA-3900", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2017/dsa-3900"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2017-7520", "datePublished": "2017-06-27T13:00:00.000Z", "dateReserved": "2017-04-05T00:00:00.000Z", "dateUpdated": "2024-08-05T16:04:11.764Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "OpenVPN", "vendor": "OpenVPN Technologies, Inc", "versions": [{"status": "affected", "version": "before 2.4.3"}, {"status": "affected", "version": "before 2.3.17"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*", "matchCriteriaId": "216840B9-FCDB-4921-BE12-2A1FA42F8FDE", "versionEndIncluding": "2.3.16", "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}, {"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "81434C3E-F992-4F29-9092-6823989B6909", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker."}, {"lang": "es", "value": "Las versiones anteriores a 2.4.3 y anterior a 2.3.17 de OpenVPN, son vulnerables a la denegaci\u00f3n de servicio y/o posiblemente a la p\u00e9rdida de memoria confidencial activada por un atacante de tipo man-in-the-middle."}], "id": "CVE-2017-7520", "lastModified": "2026-06-17T01:24:31.030", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-06-27T13:29:00.210", "references": [{"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2017/dsa-3900"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99230"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1038768"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2017/dsa-3900"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99230"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1038768"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the OpenVPN project for reporting this issue. Upstream acknowledges Guido Vranken as the original reporter.", "bugzilla": {"description": "openvpn: Multiple security issues fixed in OpenVPN 2.4.3 and 2.3.17", "id": "1463642", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1463642"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker."], "name": "CVE-2017-7520", "public_date": "2017-06-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7520"], "statement": "This issue does not affect Red Hat Enterprise Linux 5, 6 and 7 as OpenVPN is not included in any of Red Hat's supported products.", "threat_severity": "Important"}

{}