{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-46849", "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "state": "PUBLISHED", "assignerShortName": "OpenVPN", "dateReserved": "2023-10-27T13:38:49.496Z", "datePublished": "2023-11-11T00:05:13.487Z", "dateUpdated": "2023-11-11T00:05:13.487Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "shortName": "OpenVPN", "dateUpdated": "2023-11-11T00:05:13.487Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-369", "description": "CWE-369 Divide By Zero", "type": "CWE"}]}], "affected": [{"vendor": "OpenVPN", "product": "OpenVPN 2 (Community)", "versions": [{"status": "affected", "version": "2.6.0", "lessThanOrEqual": "2.6.6", "versionType": "minor release"}], "defaultStatus": "unaffected"}, {"vendor": "OpenVPN", "product": "Access Server", "platforms": ["Linux"], "versions": [{"status": "affected", "version": "2.11.0", "lessThanOrEqual": "2.11.3", "versionType": "patch release"}, {"status": "affected", "version": "2.12.0", "lessThanOrEqual": "2.12.1", "versionType": "patch release"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service."}], "references": [{"url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849"}, {"url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/"}, {"url": "https://www.debian.org/security/2023/dsa-5555"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/"}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*", "matchCriteriaId": "3A398A7A-395F-4CA8-9D72-1DDD337D5074", "versionEndIncluding": "2.6.6", "versionStartIncluding": "2.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "54464223-5988-40E7-B94B-D7B8DE999704", "versionEndIncluding": "2.11.3", "versionStartIncluding": "2.11.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:2.12.0:*:*:*:*:*:*:*", "matchCriteriaId": "F8A71564-0966-47F0-BB81-B6BFA071E402", "vulnerable": true}, {"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:2.12.1:*:*:*:*:*:*:*", "matchCriteriaId": "AC187755-A908-4CD5-8F35-869EA5D9A3B7", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*", "matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service."}, {"lang": "es", "value": "El uso de la opci\u00f3n --fragment en ciertas configuraciones de OpenVPN versi\u00f3n 2.6.0 a 2.6.6 permite a un atacante desencadenar un comportamiento de divisi\u00f3n por cero que podr\u00eda provocar un bloqueo de la aplicaci\u00f3n y provocar una denegaci\u00f3n de servicio."}], "id": "CVE-2023-46849", "lastModified": "2023-11-29T03:15:42.383", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-11T01:15:07.270", "references": [{"source": "security@openvpn.net", "tags": ["Vendor Advisory"], "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849"}, {"source": "security@openvpn.net", "tags": ["Mailing List"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/"}, {"source": "security@openvpn.net", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/"}, {"source": "security@openvpn.net", "tags": ["Vendor Advisory"], "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/"}, {"source": "security@openvpn.net", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5555"}], "sourceIdentifier": "security@openvpn.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-369"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-369"}], "source": "security@openvpn.net", "type": "Secondary"}]}

{}