{ "id": "CVE-2016-7073", "sourceIdentifier": "secalert@redhat.com", "published": "2018-09-11T13:29:01.057", "lastModified": "2019-10-09T23:19:30.473", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "An issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 4.0.4, allowing an attacker in position of man-in-the-middle to alter the content of an AXFR because of insufficient validation of TSIG signatures. A missing check of the TSIG time and fudge values was found in AXFRRetriever, leading to a possible replay attack." }, { "lang": "es", "value": "Se ha descubierto un problema en PowerDNS en versiones anteriores a la 3.4.11 y 4.0.2, y PowerDNS recursor en versiones anteriores a la 4.0.4, lo que permite que un atacante en posici\u00f3n Man-in-the-Middle (MitM) altere el contenido de un AXFR debido a una validaci\u00f3n insuficiente de firmas TSIG. La falta de una comprobaci\u00f3n de los valores time y fudge de TSIG se encontr\u00f3 en AXFRRetriever, lo que podr\u00eda conducir a un ataque de reproducci\u00f3n." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.2, "impactScore": 3.6 }, { "source": "secalert@redhat.com", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 3.9, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.4.11", "matchCriteriaId": "45749DBA-3089-4FD6-8999-9A6F0C3B4904" }, { "vulnerable": true, "criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0.0", "versionEndExcluding": "4.0.2", "matchCriteriaId": "1DDAEFF5-B01E-4765-98F8-F00F80806118" }, { "vulnerable": true, "criteria": "cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.7.4", "matchCriteriaId": "0A95C8FD-FB1C-4AFF-84E8-B8BFAF678F31" }, { "vulnerable": true, "criteria": "cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0.0", "versionEndExcluding": "4.0.4", "matchCriteriaId": "F07E82C1-0CEF-405D-8BE7-6918C64BABB2" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7073", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/", "source": "secalert@redhat.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.debian.org/security/2017/dsa-3764", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] } ] }