CVE-2019-3979

{"containers": {"cna": {"affected": [{"product": "MikroTik RouterOS", "vendor": "n/a", "versions": [{"status": "affected", "version": "RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below."}]}], "descriptions": [{"lang": "en", "value": "RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below are vulnerable to a DNS unrelated data attack. The router adds all A records to its DNS cache even when the records are unrelated to the domain that was queried. Therefore, a remote attacker controlled DNS server can poison the router's DNS cache via malicious responses with additional and untrue records."}], "problemTypes": [{"descriptions": [{"description": "Unrelated Data Attack (see: https://www.sans.org/reading-room/whitepapers/dns/security-issues-dns-1069)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-10-28T21:33:25.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.tenable.com/security/research/tra-2019-46"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2019-3979", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "MikroTik RouterOS", "version": {"version_data": [{"version_value": "RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below."}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below are vulnerable to a DNS unrelated data attack. The router adds all A records to its DNS cache even when the records are unrelated to the domain that was queried. Therefore, a remote attacker controlled DNS server can poison the router's DNS cache via malicious responses with additional and untrue records."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Unrelated Data Attack (see: https://www.sans.org/reading-room/whitepapers/dns/security-issues-dns-1069)"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2019-46", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2019-46"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T19:26:27.785Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2019-46"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2019-3979", "datePublished": "2019-10-28T21:33:25.000Z", "dateReserved": "2019-01-03T00:00:00.000Z", "dateUpdated": "2024-08-04T19:26:27.785Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "MikroTik RouterOS", "vendor": "n/a", "versions": [{"status": "affected", "version": "RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below."}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:*", "matchCriteriaId": "E96DA8A8-65E0-4D1C-A15B-8A4F7A0644A1", "versionEndIncluding": "6.44.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*", "matchCriteriaId": "AA750EF2-6247-46CF-B800-C0417F6D35A5", "versionEndIncluding": "6.45.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below are vulnerable to a DNS unrelated data attack. The router adds all A records to its DNS cache even when the records are unrelated to the domain that was queried. Therefore, a remote attacker controlled DNS server can poison the router's DNS cache via malicious responses with additional and untrue records."}, {"lang": "es", "value": "RouterOS versi\u00f3n 6.45.6 Stable, RouterOS versi\u00f3n 6.44.5 Long-Term y anteriores, son vulnerables a un ataque de datos no relacionado con DNS. El router agrega todos los registros A a su memoria cach\u00e9 DNS incluso cuando los registros no est\u00e1n relacionados con el dominio que se consult\u00f3. Por lo tanto, un servidor DNS controlado por un atacante remoto puede envenenar la memoria cach\u00e9 DNS del router mediante respuestas maliciosas con registros adicionales y falsos."}], "id": "CVE-2019-3979", "lastModified": "2026-06-17T02:35:59.330", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-10-29T19:15:20.610", "references": [{"source": "vulnreport@tenable.com", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-46"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-46"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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